Structure	Chemical Name	CAS	MF
	1,4-DIOXA-7-THIASPIRO[4.4]NONANE	176-35-2	C6H10O2S
	Cyclopentanone O,S-ethylenethioacetal	176-38-5	C7H12OS
	1,4-Dithiaspiro[4.4]nonane(7CI,8CI,9CI)	176-39-6	C7H12S2
	1,4,7-trithia-spiro[4.4]nonane	176-41-0	C6H10S3
	1,1'-Spirobipyrrolidinium	176-49-8
	1,4,6,9-tetraoxa-5$l^{4}-telluraspiro[4.4]nonane	176-57-8	C4H8O4Te
	spiro[4.5]decane	176-63-6	C10H18
	8-AZASPIRO[4.5]DECANE	176-64-7	C9H17N
	2-AZASPIRO[4,5]DECANE	176-66-9	C9H17N
	2,8-diazaspiro[4.5]decane	176-67-0	C8H16N2
	2-Oxa-8-azaspiro[4.5]decane	176-69-2	C8H15NO
	7-azaspiro[4.5]decane	176-73-8	C9H17N
	2-Oxa-7-azaspiro[4.5]decane (8CI,9CI)	176-74-9	C8H15NO
	1-Azaspiro[4.5]decane	176-80-7	C9H17N
	1-Oxa-8-azaspiro[4.5]decane	176-92-1	C8H15NO
	spiro-oxazolidine	176-95-4	C8H15NO
	1,4-Diazaspiro[4.5]decane	177-03-7
	1-OXA-4-AZASPIRO(4.5)DECANE 97	177-04-8	C8H15NO
	2,2-PENTAMETHYLENE-1,3-DIOXOLANE	177-10-6	C8H14O2
	1,4-Dioxa-8-azaspiro[4.5]decane	177-11-7	C7H13NO2
	Spiro[1,3-oxathiolane-2,1'-cyclohexane]	177-15-1
	1,4-Dithiaspiro(4.5)decane (8CI)(9CI)	177-16-2	C8H14S2
	6-Azaspiro[4.5]decane	177-17-3	C9H17N
	6,9-DIAZA-SPIRO[4.5]DECANE	177-19-5	C8H16N2
	5-Azoniaspiro[4.5]decane	177-38-8	C9H18N+
	7,14,21-Trithiatrisprio [5.1.5:1.5.1]henicosane	177-58-2	C18H30S3
	6,12,18-Trithiatrisprio [4.1.4:1.4.1]octadecane	177-61-7	C15H24S3
	3,3'-spirobi[3H-naphtho[2,1-b]pyran]	178-10-9	C25H16O2
	6-Oxadispiro[4.1.4.2]tridecane(8CI,9CI)	179-59-9	C12H20O
	6-Methyl-2,4-pyrimidinediamine	179-73-7	C12H14N2
	3-MethoxyPhenylAceticAcid	1798-9-0	C9H10O3
	2-BROMO NAPHTHALCNE	180-13-2	C19H15NO
	spirobicyclohexane	180-43-8	C11H20
	3-AZASPIRO[5.5]UNDECANE	180-44-9	C10H19N
	3,9-Diazaspiro[5.5]undecane	180-46-1	C9H18N2
	2-AZA-SPIRO[5.5]UNDECANE	180-48-3	C10H19N
	2,8-DIAZASPIRO[5,5]UNDECANE	180-50-7	C9H18N2
	1,4-Diazaspiro[5.5]undecane(8CI,9CI)	180-76-7	C9H18N2
	4-Oxa-1-azaspiro[5.5]undecane (8CI,9CI)	180-78-9	C9H17NO
	1,7-DIOXASPIRO[5.5]UNDECANE	180-84-7	C9H16O2
	Cyclohexanone trimethylene acetal	180-93-8	C9H16O2
	PIPERIDONE-4-PROPYLENKETAL	180-94-9	C8H15NO2
	1,5,7,11-Tetrathiaspiro[5.5]undecane	180-97-2	C7H12S4
	6-Germaspiro[5.5]undecane	180-98-3	C10H20Ge
	6-Azoniaspiro[5.5]undecane	181-00-0
	spiro[5.6]dodecane	181-15-7	C12H22
	7,12-dioxaspiro[5.6]dodecane	181-28-2	C10H18O2
	6-Azoniaspiro[5.6]dodecane	181-29-3
	BIS(1,2-PHENYLENEDIOXY)SILANE	181-88-4	C12H8O4Si
	7,8,15,16,23,24-hexaoxatrispiro[5.2.5.2.5.2]tetracosane	182-01-4	C18H32O6
	3H-Spiro[1,3-benzothiazole-2,1'-cyclohexane]	182-53-6	C12H15NS
	spiro[1,3-benzodioxole-2,1'-cyclohexane]	182-55-8	C12H14O2
	2-oxaspiro[4.7]dodecane	182-99-0	C11H20O
	3H-Spiro[1,3-benzothiazole-2,1'-cyclopentane]	183-31-3	C11H13NS
	Dicyclohexanone Diperoxide	183-84-6	C12H20O4
	N,N''-dispirotripiperazine	183-88-0	C12H26N4+2
	1,4-Cyclohexanedione bis(ethylene ketal)	183-97-1	C10H16O4
	2-AZASPIRO[4.6]UNDECANE	184-14-5	C10H19N
	CYCLOHEPTANONE ETHYLENE KETAL	184-26-9	C9H16O2
	1-Oxa-4-thiaspiro[4.6]undecane	184-31-6
	Cycloheptanone ethane-1,2-diyl dithioacetal	184-32-7
	1,4-Dithiaspiro[4.9]tetradecane	184-39-4
	1,9-Dioxa-3,5,11,13-tetraazadispiro[5.1.5.1]tetradeca-2,4,10,12-tetraene	185-00-2	C8H8N4O2
	2-oxaspiro[3,5]nonane	185-06-8	C8H14O
	1-oxaspiro[3.5]nonane	185-18-2	C8H14O
	5-Azaspiro[2.4]heptane Trifluroacetate	185-50-2	C6H11N
	1,5-Dioxaspiro[2.4]heptane	185-61-5	C5H8O2
	SPIRO[2.5]OCTANE	185-65-9	C8H14
	1-Azaspiro[2.5]octane	185-69-3	C7H13N
	Methylenecyclohexaneoxide	185-70-6	C7H12O
	1,6-Dioxaspiro[2.5]octane	185-72-8	C6H10O2
	1-Oxa-6-thiaspiro[2.5]octane	185-73-9	C6H10OS
	3,3-Pentamethylenediazirine	185-79-5	C6H12N2
	1-Oxa-2-azaspiro[2.5]octane	185-80-8	C6H11NO
	1-OXASPIRO[2.6]NONANE	185-85-3	C8H14O
	1-Oxaspiro[2.7]decane	185-88-6
	1-Oxaspiro[2.8]undecane	185-90-0	C10H18O
	Bicyclo[2,1,0]pentane	185-94-4	C5H8
	2-METHYL-1-BUTANETHIOL	187-18-8	C20H14N2O
	Tricyclo[4.1.0.02,4]heptane	187-26-8	C7H10
	1,2,4,5-Diepoxypentane	187-29-1	C5H6O2
	Furo[3,2-b]furan-3,6-imine(8CI,9CI)	187-53-1	C6H3NO2
	(6)HELICENE	187-83-7	C26H16
	3.4,11.12-DIBENZOBISANTHENE	187-94-0	C34H16
	7, 8 : 15, 16-Dibenzoterrylene	187-96-2	C38H20
	1.2,3.4,5.6,10.11-TETRABENZANTHANTHRENE	188-00-1	C36H18
	BENZO[PQR]DINAPHTHO[8,1,2-BCD:2',1',8'-LMN]PERYLENE	188-11-4	C34H16
	TETRABENZO[DE,H,KL,RST]PENTAPHENE	188-13-6	C34H18
	(5)HELICENE	188-52-3	C22H14
	Terrylene	188-72-7	C30H16
	QUATERRYLENE	188-73-8	C40H20
	2.3-PERI-NAPHTHYLENE-PYRENE	188-89-6	C26H14
	DINAPHTHO[2,1,8,7-DEFG:2',1',8',7'-IJKL]PENTAPHENE	188-90-9	C32H16
	DINAPHTHO[2,1,8,7-DEFG:2',1',8',7'-OPQR]PENTACENE	188-91-0	C32H16
	Diindenoperylene	188-94-3	C32H16
	PEROPYRENE	188-96-5	C26H14
	DIBENZO(A,I)PYRENE	189-55-9	C24H14
	Dibenzo[b,h]pyrene	189-55-9	C24H14
	Anthra[9,1,2-cde]benzo[h]cinnoline	189-58-2
	DIBENZO[B,DEF]CHRYSENE	189-64-0	C24H14

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