(1,1'-Biphenyl)-3,3'-diol, 4,4'-diamino- (1,1'-Biphenyl)-4,4'-diamine, 3,3'-dihydroxy- 2373-98-0 3,3'-Biphenyldiol, 4,4'-diamino- 3,3'-DIHYDROXYBENZIDINE 3,3'-Dihydroxy-4,4'-diaminobiphenyl 3,3'-Dioxybenzidine 3,3'-Dwuoksybenzydyna [Polish] 3-13-00-02309 (Beilstein Handbook Reference) 4,4'-Diamino-3,3'-biphenyldiol BRN 2725972 Benzidine, 3,3'-dihydroxy- HSDB 4051 m,m'-Biphenol, 6,6'-diamino-