Feiming Chemical Limited.
P.R.China
3,3'-Dihydroxybenzidine(p-HAB)
AK Scientific, Inc.
USA
3,3'-Dihydroxy-4,4'-diamino-biphenyl
Hangzhou Ocean Chemical Co., Ltd.
P.R.China
3,3'-Dihydroxybenzidine
Chemos GmbH & Co. KG
Germany
3,3'-Dihydroxy-4,4'-diamino-biphenyl
Dayang Chem (Hangzhou) Co.,Ltd.
P.R.China
3,3'-Dihydroxybenzidine
Simagchem Corporation
P.R.China
3,3'-Dihydroxy-4,4'-diamino-biphenyl
BOC Sciences
USA
3,3'-Dihydroxybenzidine
Leap Chem Co., Ltd
P.R.China
3,3'-Dihydroxybenzidine
Carbone Scientific Co., Ltd.
U.K.
3,3'-Dihydroxybenzidine
Richman Chemical Inc.,
USA
3,3'-Dihydroxybenzidine
Capot Chemical Co., Ltd.
P.R.China
4,4'-Diamino-3,3'-biphenyldiol
Xiamen Kinbester Co., Ltd.
P.R.China
4,4'-Diamino-3,3'-Biphenyldiol
Xiamen Hisunny Chemical Co., Ltd.
P.R.China
3,3'-Dihydroxy-4,4'-diamino-biphenyl
Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd)
P.R.China
3,3'-Dihydroxybenzidine
Chriskev Company, Inc.
USA
3,3'-Dihydroxybenzidine
AK Scientific, Inc.
USA
3,3'-Dihydroxy-4,4'-diamino-biphenyl
Feiming Chemical Limited.
P.R.China
3,3'-Dihydroxybenzidine
Ambeed, Inc.
USA
4,4'-Diamino-[1,1'-biphenyl]-3,3'-diol
Finetech Industry Limited
P.R.China
3,3'-Dihydroxybenzidine
Xiamen Equation Chemical Co.,Ltd
P.R.China
3,3'-Dihydroxy-4,4'-diamino-biphenyl
Xingrui Industry Co., Limited
P.R.China
HAB
JieJie Group Co., Ltd.
P.R.China
2-Amino-5-(4-amino-3-hydroxyphenyl)phenol
Amadis Chemical Company Limited
P.R.China
3,3'-Dihydroxybenzidine
Autech Industry Co.,Limited
P.R.China
3,3'-Dihydroxybenzidine
Allfluoro Pharmaceutical Co. Ltd.
P.R.China
4,4'-Diamino-3,3'-biphenyldiol
Conscientia Industrial Co., Ltd (Zhejiang Conscientia Pharmaceutical)
P.R.China
3,3'-Dihydroxybenzidine
Refine Chemical Co.,Ltd.
P.R.China
HAB
Shandong Ench Chemical Co.,Ltd
P.R.China
3,3'-Dihydroxybenzidine
Chemport Science & Technology (Shanghai) Co., Ltd.
P.R.China
p-HAB
Shandong SanYoung Industry Co., Ltd
P.R.China
3,3'-Dihydroxybenzidine
BLD Pharmatech Ltd
P.R.China
4,4'-Diamino-3,3'-biphenyldiol
Chemlyte Solutions
P.R.China
2-Amino-5-(4-amino-3-hydroxyphenyl)phenol