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  •       乐研品牌隶属于上海皓鸿生物医药科技有限公司,专注服务于医药研发领域,拥有享誉业内的自主研发技术能力,秉承“研发实力打造高品质”的理念进行产品的开发,始终致力于为国内外化学和医药研发领域用户提供最优质的产品和最专业的服务,乐研开发和打造的产品系列主要包括:分子砌块、合成试剂、医药中间体和相关的仪器耗材。能满足用户从mg级到kg级、从标准化到定制化的实验室综合需求。 乐研秉承“攻坚科研,冲破壁垒”的态度,依托多年来在新药开发、质量管控等方面的纯熟经验,致力在全球范围内构建一个连接医药研发供需两端的电商服务平台。在乐研商城,科研工作者可以通过多种途径检索目标化合物并实现自助化快速下单,还可以与专业客服人员进行实时沟通,得到客服团队的快速响应。 乐研立志成为促进医药研发领域的有效催化剂,帮您告别繁琐选购,助您加速研发进程。
英文名称 中文名称 CAS号 操作
(4S,4aS,5aS,6S,12aS)-2-Acetyl-4-(dimethylamino)-3,6,10,12,12a-pentahydroxy-6-methyl-4a,5,5a,6-tetrahydrotetracene-1,11(4H,12aH)-dione (Oxytetracycline Impurity) (4S,4aS,5aS,6S,12aS)-2-乙酰基-4-(二甲氨基)-3,6,10,12,12a-五羟基-6-甲基-4a,5,5a,6-四氢四烯-1,11(4H,12aH)-二酮 (土霉素杂质) 6542-44-5 详细
4-Cyanobenzohydrazide hydrochloride 4-氰基苯甲酰肼盐酸盐 1865223-60-4 详细
(R)-5-chloro-N-(4-(3-oxomorpholino)phenyl)-N-((2-oxooxazolidin-5-yl)methyl)thiophene-2-carboxamide (R)-5-氯-N-(4-(3-氧代吗啉代)苯基)-N-((2-氧代噁唑烷-5-基)甲基)噻吩-2-甲酰胺 1879903-65-7 详细
(2S,3R,4R,5R)-4-fluoro-2,3,5,6-tetrahydroxyhexanal (2S,3R,4R,5R)-4-氟-2,3,5,6-四羟基己醛 87764-47-4 详细
3,3',5-Tri-tert-Butyl-5'-chloro-[1,1'-bi(cyclohexylidene)]-2,2',5,5'-tetraene-4,4'-dione 3,3',5-三叔丁基-5'-氯-[1,1'-二(亚环己基)]-2,2',5,5'-四烯-4,4'-二酮 42933-96-0 详细
4,5-Dimethyl-1,3,2-dioxathiolane 2-oxide 4,5-二甲基-1,3,2-二氧杂硫杂环戊烷2-氧化物 4440-90-8 详细
(2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-(2-chloro-4-nitrophenoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate (2R,3R,4S,5R,6S)-2-(乙酰氧基甲基)-6-(2-氯-4-硝基苯氧基)四氢-2H-吡喃-3,4,5-三乙酸三酯 35023-71-3 详细
(2S,3R,4S,5R)-2-(((3R,4S,5R,6S)-4,5-diacetoxy-6-(2-nitrophenoxy)tetrahydro-2H-pyran-3-yl)oxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate (2S,3R,4S,5R)-2-(((3R,4S,5R,6S)-4,5-二乙酰氧基-6-(2-硝基苯氧基)四氢-2H-吡喃-3-基)氧基)四氢-2H-吡喃-3,4,5-三乙酸三酯 162088-92-8 详细
Chromane-2,3-dione 色烷-2,3-二酮 5818-89-3 详细
2,5-Diethylthiophene 2,5-二乙基噻吩 5069-23-8 详细
2,6-Difluoro-4-(4-propylcyclohexyl)benzonitrile 2,6-二氟-4-(4-丙基环己基)苯甲腈 167306-96-9 详细
2-Methoxy-2-oxoacetic acid 2-甲氧基-2-氧代乙酸 600-23-7 详细
4-(Adamantan-1-yl)phenyl trifluoromethanesulfonate 4-(金刚烷-1-基)苯基三氟甲磺酸盐 263398-16-9 详细
2-Nitrobenzene-1,4-diamine sulfate 2-硝基苯-1,4-二胺硫酸盐 68239-83-8 详细
Heptyl heptanoate 庚酸庚酯 624-09-9 详细
N4-Methyl-2’-O-methyl-cytidine 1-((2R,3R,4R,5R)-4-羟基-5-(羟甲基)-3-甲氧基四氢呋喃-2-基)-4-(甲基氨基)嘧啶-2(1H)-酮 13048-95-8 详细
9-Butyl-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-7-yl 3-hydroxy-2-phenylpropanoate hydrochloride (Hyoscine Butylbromide Impurity) 9-丁基-3-氧-9-氮杂三环[3.3.1.02,4]壬-7-基3-羟基-2-苯丙酸盐酸盐 (东莨菪碱杂质) 22235-98-9 详细
5-Chloroquinolin-2(1h)-one 5-氯喹啉-2(1H)-酮 23981-22-8 详细
1-Methyl-2-phenyl-4-(trifluoromethyl)-1h-imidazole 1-甲基-2-苯基-4-(三氟甲基)-1H-咪唑 63875-06-9 详细
5-Isopropyl-2,3-dimethylpyrazine 5-异丙基-2,3-二甲基吡嗪 40790-21-4 详细
Ethyl 2-(3-cyano-4-isopropoxyphenyl)-4-methylthiazole-5-carboxylate 2-(3-氰基-4-异丙氧基苯基)-4-甲基噻唑-5-甲酸乙酯 144060-84-4 详细
(R)-2-(4-((4-Chlorophenyl)(phenyl)methyl)piperazin-1-yl)acetic acid (Levocetirizine Impurity) (R)-2-(4-((4-氯苯基)(苯基)甲基)哌嗪-1-基)乙酸 (左西替利嗪杂质) 942193-17-1 详细
2-Cyclohexyl-2-(4-methoxyphenyl)-N,N-dimethylethan-1-amine hydrochloride 2-环己基-2-(4-甲氧基苯基)-N,N-二甲基乙烷-1-胺盐酸盐 2108968-20-1 详细
N-((2R,3R,4R,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-2-(pentyloxy)tetrahydro-2H-pyran-3-yl)acetamide N-((2R,3R,4R,5S,6R)-4,5-二羟基-6-(羟甲基)-2-(戊氧基)四氢-2H-吡喃-3-基)乙酰胺 94483-64-4 详细
1,3,6,8-Tetrabromopyrene-4,5,9,10-tetraone 1,3,6,8-四溴芘-4,5,9,10-四酮 2379290-24-9 详细
Phenyl(pyridin-4-yl)methanone hydrochloride 苯基(吡啶-4-基)甲酮盐酸盐 72034-25-4 详细
2,2,5,7,8-Pentamethylchromane 2,2,5,7,8-五甲基色烷 55646-01-0 详细
(4-Fluorophenyl)trimethoxysilane (4-氟苯基)三甲氧基硅烷 53883-61-7 详细
N-Boc-Biotinylethylenediamine (2-(5-((3aS,4S,6aR)-2-氧代六氢-1H-噻吩并[3,4-d]咪唑-4-基)戊酰胺基)乙基)氨基甲酸叔丁酯 225797-46-6 详细
(s)-3-Methylheptanoic acid (S)-3-甲基庚酸 59614-85-6 详细
Methyl 13a-ethyl-12-hydroxy-2,3,4(1),5,6,12,13,13a-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate 13a-乙基-12-羟基-2,3,4(1),5,6,12,13,13a-八氢-1H-吲哚[3,2,1-de]吡啶并[3,2,1- ij][1,5]萘啶-12-羧酸甲酯 6835-99-0 详细
tributyl prop-1-ene-1,2,3-tricarboxylate (Z)-丙-1-烯-1,2,3-三羧酸三丁酯 7568-58-3 详细
Methyl (3aR,3a1R,4R,5S,5aR,10bR)-3a-ethyl-9-((3R,5S,7R,9S)-5-ethyl-5-hydroxy-9-(methoxycarbonyl)-1,4,5,6,7,8,9,10-octahydro-2H-3,7-methano[1]azacycloundecino[5,4-b]indol-9-yl)-6-formyl-4,5-dihydroxy-8-methoxy-3a,3a1,4,5,5a,6,11,12-octahydro-1H-indolizino[8,1-cd]carbazole-5-carboxylate (Vincristine Impurity) 甲基(3aR,3a1R,4R,5S,5aR,10bR)-3a-乙基-9-((3R,5S,7R,9S)-5-乙基-5-羟基-9-(甲氧羰基)-1,4, 5,6,7,8,9,10-八氢-2H-3,7-甲醇[1]氮杂环十一烷基[5,4-b]吲哚-9-基)-6-甲酰基-4,5-二羟基-8-甲氧基-3a,3a1,4,5,5a,6,11,12-八氢-1H-中氮茚[8,1-cd]咔唑-5-羧酸盐 (长春新碱杂质) 3704-01-6 详细
(2r,3r,4s,5r,6s)-3,4,5-Tris(benzyloxy)-2-((benzyloxy)methyl)-6-(phenylthio)tetrahydro-2h-pyran (2R,3R,4S,5R,6S)-3,4,5-三(苄氧基)-2-((苄氧基)甲基)-6-(苯硫基)四氢-2H-吡喃 38184-10-0 详细
(2R,3S,4S,5R,6S)-2-(acetoxymethyl)-6-(2-nitrophenoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate (2R,3S,4S,5R,6S)-2-(乙酰氧基甲基)-6-(2-硝基苯氧基)四氢-2H-吡喃-3,4,5-三乙酸三酯 3053-17-6 详细
(2R,3R,4S,5S,6R)-2-(4-nitrophenoxy)-6-((trityloxy)methyl)tetrahydro-2H-pyran-3,4,5-triol (2R,3R,4S,5S,6R)-2-(4-硝基苯氧基)-6-((三苯甲氧基)甲基)四氢-2H-吡喃-3,4,5-三醇 655246-35-8 详细
2-Chloroethyl 3-oxobutanoate 3-氧代丁酸2-氯乙酯 54527-68-3 详细
2,2'-Bi(adamantanylidene) 2,2'-双(金刚烷基) 30541-56-1 详细
Methyl 5-((4-bromo-2-chlorophenyl)amino)-4-fluoro-1h-benzo[d]imidazole-6-carboxylate 5-((4-溴-2-氯苯基)氨基)-4-氟-1H-苯并[d]咪唑-6-羧酸甲酯 606143-46-8 详细
2-(9,9-Dihexyl-9h-fluoren-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2-(9,9-二己基-9H-芴-2-基)-4,4,5,5-四甲基-1,3,2-二氧杂硼烷 264925-45-3 详细
1-(Bromomethyl)-2-methyl-4-nitrobenzene 1-(溴甲基)-2-甲基-4-硝基苯 22162-14-7 详细
1-Ethylpyridin-1-ium bis((trifluoromethyl)sulfonyl)amide 1-乙基吡啶-1-鎓双((三氟甲基)磺酰基)酰胺 712354-97-7 详细
n,n'-(Butane-1,4-diyl)dibenzamide N,N'-(丁烷-1,4-二基)二苯甲酰胺 31991-78-3 详细
(r)-Cyclopropyl(4-fluorophenyl)methanamine (R)-环丙基(4-氟苯基)甲胺 473732-87-5 详细
(3-Methylisoxazol-5-yl)methyl acetate (3-甲基异噁唑-5-基)乙酸甲酯 43214-88-6 详细
1,1':4',1''-Terphenyl]-4,4''-diol 1,1':4',1'-三苯基]-4,4'-二醇 4084-45-1 详细
Nonyltriphenylphosphonium bromide 壬基三苯基溴化鏻 60902-45-6 详细
(s)-2-Amino-3-(4-sulfophenyl)propanoic acid (S)-2-氨基-3-(4-磺苯基)丙酸 34023-49-9 详细
(1E,4E)-terephthalaldehyde dioxime (1E,4E)-对苯二甲醛二肟 18705-39-0 详细
3-Methyleneisobenzofuran-1(3h)-one 3-亚甲基异苯并呋喃-1(3H)-酮 3453-63-2 详细
7-Bromo-9,9-dimethyl-9H-fluorene-2-carbaldehyde 7-溴-9,9-二甲基-9H-芴-2-甲醛 944940-90-3 详细
4-(2-(Dimethylamino)ethoxy)benzoic acid hydrochloride 4-(2-(二甲氨基)乙氧基)苯甲酸盐酸盐 27237-49-6 详细
Ethyl-2-(2-(4-methoxyphenyl)hydrazono)propanoate 2-(2-(4-甲氧基苯基)肼基)丙酸乙酯 4792-57-8 详细
Isobutyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate 2-(3-氰基-4-异丁氧基苯基)-4-甲基噻唑-5-羧酸异丁酯 923942-36-3 详细
3-Bromo-4-methyl-5-nitroaniline 3-溴-4-甲基-5-硝基苯胺 62827-39-8 详细
1-(2-(4-Bromophenoxy)ethyl)piperidine hydrochloride 1-(2-(4-溴苯氧基)乙基)哌啶盐酸盐 399016-75-2 详细
2-Amino-3,5-dibromo-N-((1r,4r)-4-hydroxycyclohexyl)benzamide 2-氨基-3,5-二溴-N-((1r,4r)-4-羟基环己基)苯甲酰胺 105735-86-2 详细
n2,n2-Dimethylpyridine-2,5-diamine dihydrochloride N2,N2-二甲基吡啶-2,5-二胺二盐酸盐 26878-31-9 详细
5-Chloro-2-(chloromethyl)benzo[d]oxazole 5-氯-2-(氯甲基)苯并[d]噁唑 63842-22-8 详细
Cyclohexanamine (2r,3s,4s,5r,6s)-3,4,5-trihydroxy-6-((4-methyl-2-oxo-2h-chromen-7-yl)oxy)tetrahydro-2h-pyran-2-carboxylate 环己胺 (2R,3S,4S,5R,6S)-3,4,5-三羟基-6-((4-甲基-2-氧代-2H-苯并吡喃-7-基)氧基)四氢-2H-吡喃-2 -羧酸酯 66895-33-8 详细
Dicyclohexylamine (S)-2-((tert-butoxycarbonyl)amino)-5-(cyclohexyloxy)-5-oxopentanoate 二环己胺 (S)-2-((叔丁氧基羰基)氨基)-5-(环己氧基)-5-氧代戊酸酯 73821-98-4 详细
((2R,3R,4S,5R,6R)-5-(benzoyloxy)-3,4-dihydroxy-6-(4-nitrophenoxy)tetrahydro-2H-pyran-2-yl)methyl benzoate ((2R,3R,4S,5R,6R)-5-(苯甲酰氧基)-3,4-二羟基-6-(4-硝基苯氧基)四氢-2H-吡喃-2-基)苯甲酸甲酯 135216-30-7 详细
(s)-3,4-Diamino-4-oxobutanoic acid (S)-3,4-二氨基-4-氧代丁酸 28057-52-5 详细
1h-Imidazol-1-amine 1H-咪唑-1-胺 51741-29-8 详细
Methyl 4-(3-(dibutylamino)propoxy)benzoate 4-(3-(二丁基氨基)丙氧基)苯甲酸甲酯 437651-42-8 详细
4-(6-Methoxynaphthalen-2-yl)butan-2-ol 4-(6-甲氧基萘-2-基)丁烷-2-醇 65726-24-1 详细
2,4-Dichloro-9,9-dimethyl-9H-fluorene 2,4-二氯-9,9-二甲基-9H-芴 1799918-67-4 详细
Methyl (s)-1,2,3,4-tetrahydroquinoline-2-carboxylate (S)-1,2,3,4-四氢喹啉-2-羧酸甲酯 63492-82-0 详细
1h-Isochromen-1-one 1H-异苯并吡喃-1-酮 491-31-6 详细
Cyclohexyl benzoate 苯甲酸环己酯 2412-73-9 详细
2-Amino-5-fluorobenzenethiol 2-氨基-5-氟苯硫醇 33264-82-3 详细
Diethyl 1-amino-3-methyl-1h-pyrrole-2,4-dicarboxylate 1-氨基-3-甲基-1H-吡咯-2,4-二羧酸二乙酯 427878-69-1 详细
4-Chloro-2-(chloromethyl)pyrimidine 4-氯-2-(氯甲基)嘧啶 3842-28-2 详细
2-Butylbenzofuran-5-amine hydrochloride 2-丁基苯并呋喃-5-胺盐酸盐 526196-90-7 详细
4,4'-(Adamantane-1,3-diyl)dianiline 4,4'-(金刚烷-1,3-二基)二苯胺 58788-79-7 详细
1-Ethylpyridin-1-ium hexafluorophosphate(V) 1-乙基吡啶-1-六氟磷酸盐(V) 103173-73-5 详细
Ethyl butane-1-sulfonate 1-磺酸丁烷乙酯 2374-68-7 详细
(Butylsulfonyl)-D-tyrosine (丁基磺酰基)-D-酪氨酸 1346918-32-8 详细
(2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-chlorotetrahydro-2H-pyran-3,4,5-triyl triacetate (2R,3R,4S,5R,6S)-2-(乙酰氧基甲基)-6-氯四氢-2H-吡喃-3,4,5-三乙酸三酯 4451-36-9 详细
(2s,3r,4s,5r,6r)-2-(((2r,3s,4R,5r,6r)-4,5-Dihydroxy-2-(hydroxymethyl)-6-methoxytetrahydro-2h-pyran-3-yl)oxy)-6-(hydroxymethyl)tetrahydro-2h-pyran-3,4,5-triol (2S,3R,4S,5R,6R)-2-(((2R,3S,4R,5R,6R)-4,5-二羟基-2-(羟甲基)-6-甲氧基四氢-2H-吡喃-3-基)氧基)-6-(羟基甲基)四氢-2H-吡喃-3,4,5-三醇 7216-69-5 详细
3,3-Bis(4-hydroxy-3-methylphenyl)indolin-2-one 3,3-双(4-羟基-3-甲基苯基)二氢吲哚-2-酮 47465-97-4 详细
2-Amino-9-((6ar,8r,9r,9as)-9-hydroxy-2,2,4,4-tetraisopropyltetrahydro-6h-furo[3,2-f][1,3,5,2,4]trioxadisilocin-8-yl)-1,9-dihydro-6h-purin-6-one 2-氨基-9-((6aR,8R,9R,9aS)-9-羟基-2,2,4,4-四异丙基四氢-6H-呋喃[3,2-f][1,3,5,2,4]三恶二硅氧烷-8-基)-1,9-二氢-6H-嘌呤-6-酮 69304-44-5 详细
2-((6-Acetyl-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino)-5-(piperazin-1-yl)pyridine 1-oxide 2-((6-乙酰基-8-环戊基-5-甲基-7-氧代-7,8-二氢吡啶并[2,3-d]嘧啶-2-基)氨基)-5-(哌嗪-1-基) 吡啶1-氧化物 2098673-40-4 详细
1,2,4-Trichloro-5-methylbenzene 1,2,4-三氯-5-甲苯 6639-30-1 详细
n-Isopropylbenzamide N-异丙基苯甲酰胺 5440-69-7 详细
(2S,3R,4S,5S,6R)-2-(((2R,3S,4R,5R,6S)-6-(4-aminophenoxy)-4,5-dihydroxy-2-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)oxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol (2S,3R,4S,5S,6R)-2-(((2R,3S,4R,5R,6S)-6-(4-氨基苯氧基)-4,5-二羟基-2-(羟甲基)四氢-2H -吡喃-3-基)氧基)-6-(羟基甲基)四氢-2H-吡喃-3,4,5-三醇 42935-24-0 详细
(2R,3S,4R,5R,6R)-5-acetamido-2-(acetoxymethyl)-6-(4-nitrophenoxy)tetrahydro-2H-pyran-3,4-diyl diacetate (2R,3S,4R,5R,6R)-5-乙酰氨基-2-(乙酰氧基甲基)-6-(4-硝基苯氧基)四氢-2H-吡喃-3,4-二乙酸二酯 13089-23-1 详细
(2R,3S,4S,5R,6R)-2-(hydroxymethyl)-6-(((2R,3S,4S,5R,6S)-3,4,5-trihydroxy-6-(4-nitrophenoxy)tetrahydro-2H-pyran-2-yl)methoxy)tetrahydro-2H-pyran-3,4,5-triol (2R,3S,4S,5R,6R)-2-(羟甲基)-6-(((2R,3S,4S,5R,6S)-3,4,5-三羟基-6-(4-硝基苯氧基)四氢-2H-吡喃-2-基)甲氧基)四氢-2H-吡喃-3,4,5-三醇 16790-33-3 详细
(3aR,5R,6S,6aR)-5-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)-6-methoxy-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxole (3aR,5R,6S,6aR)-5-((R)-2,2-二甲基-1,3-二氧戊环-4-基)-6-甲氧基-2,2-二甲基四氢呋喃[2,3-d] [1,3]二氧杂环戊烯 43138-64-3 详细
(6-Chloropyridin-3-yl)(piperidin-1-yl)methanone (6-氯吡啶-3-基)(哌啶-1-基)甲酮 64614-48-8 详细
(Z)-2,2-dimethylhex-3-ene (Z)-2,2-二甲基己-3-烯 690-92-6 详细
Methyl 2-amino-2-(3-chlorophenyl)acetate 2-氨基-2-(3-氯苯基)乙酸甲酯 532987-11-4 详细
Chloromethyl dodecanoate 十二烷酸氯甲酯 61413-67-0 详细
Ethyl (e)-3-(3,5-dimethoxyphenyl)acrylate (E)-3-(3,5-二甲氧基苯基)丙烯酸乙酯 29584-64-3 详细
(S)-6-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-((1-(2-hydroxy-4,4-dimethyl-6-oxocyclohex-1-en-1-yl)-3-methylbutylidene)amino)hexanoic acid (S)-6-(((((9H-芴-9-基)甲氧基)羰基)氨基)-2-((1-(2-羟基-4,4-二甲基-6-氧代环己烷-1-烯-) 1-基)-3-甲基亚丁基)氨基)己酸 1446752-60-8 详细
(3S,4R,5R)-4-fluoro-5-(hydroxymethyl)tetrahydrofuran-2,3-diol (3S,4R,5R)-4-氟-5-(羟甲基)四氢呋喃-2,3-二醇 14537-01-0 详细
1-(Bromomethyl)-4-chloro-2-iodobenzene 1-(溴甲基)-4-氯-2-碘苯 343929-11-3 详细
2-((4,5-Dihydroxy-6-(2-nitrophenoxy)tetrahydro-2H-pyran-3-yl)oxy)tetrahydro-2H-pyran-3,4,5-triol 2-((4,5-二羟基-6-(2-硝基苯氧基)四氢-2H-吡喃-3-基)氧基)四氢-2H-吡喃-3,4,5-三醇 157956-98-4 详细
Isopropyl (4,6-diamino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)pyrimidin-5-yl)(methyl)carbamate (4,6-二氨基-2-(1-(2-氟苄基)-1H-吡唑并[3,4-b]吡啶-3-基)嘧啶-5-基)(甲基)氨基甲酸异丙酯 625115-54-0 详细
Methyl 3-acetamidopropanoate 3-乙酰氨基丙酸甲酯 31295-20-2 详细
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