4-nitro-5-methyl-1,2-phenylenediamine;1H-Indole,4-methyl-5-nitro;4-Methyl-5-nitro-o-phenylendiamin;4-methyl-5-nitroindole;4-methyl-5-nitro-o-phenylenediamine;
陕西缔都医药化工有限公司
联系商家时请提及chemicalbook,有助于交易顺利完成!
土疙瘩