disodium 2-[4-[[1-[[(2-methoxy-5-methyl-4-sulphonatophenyl)amino]carbonyl]-2-oxopropyl]azo]phenyl]-6-methylbenzothiazole-7-sulphonate
陕西西化化学工业有限公司
联系商家时请提及chemicalbook,有助于交易顺利完成!