APIs & Intermediates
Hangzhou J&H Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Lab/Research institutions
N-[2-[4-(Aminosulfonyl)phenyl]-3-ethyl-2,5-dihydro-4-methyl-2-oxo]-1H-pyrrole-1-carboxamideCAS NO.: 119018-29-0
3,3',4,4'-Benzophenonetetracarboxylic dianhydrideCAS NO.: 2421-28-5