Taizhou volsen chemical Co., Ltd
Country: China (Mainland)
Business Type: Lab/Research institutions
3-(N-Methylamino)-L-alanine 15920-93-1 C4H10N2O2CAS NO.: 15920-93-1
3,20-Bis(ethylenedioxy)-19-norpregna-5(10)9(11)dien-17-olCAS NO.: 54201-84-2
3,3', 4,4'- - diphenylketotetra dianhydride (BTDA)CAS NO.: 2421-28-5
3,3',4,4'-biphenyltetracarboxylic dianhydrideCAS NO.: 2420-87-3