Taizhou volsen chemical Co., Ltd
Country: China (Mainland)
Business Type: Lab/Research institutions
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
3,3',5,5'-Tetramethyl-4,4'-di(2-hydoxethanyoxy)biphenylCAS NO.: 120703-31-3
3,3'-Bis-(1,1-Dimethyl-Propyl)-[1,1]Binaphthalenylidene-4,4'-DioneCAS NO.: 334634-19-4
3,3'-Diamino-4,4'-dihydroxydiphenyl sulfoneCAS NO.: 7545-50-8