Changzhou Extraordinary Pharmatech co.,LTD
Country: China (Mainland)
Business Type: Lab/Research institutions
2,3,3',4'-Biphenyl tetracarboxylic dianhydride (a-BPDA)CAS NO.: 36978-41-3
2,3,3',4'-Diphenylether tetracarboxylic dianhydride (a-ODPA)CAS NO.: 50662-95-8
N,N'-Bis(4-ethoxycarbonylphenyl)-N-benzylformamidineCAS NO.: 586400-06-8