Keywords: Benzidine 200.svg validSVG Structure of benzidine Struktur von Benzidin Own 2014-02-23 Emeldir <span class signature-talk >talk</span> Chemical structure verified https //upload wikimedia org/wikipedia/commons/e/ec/Benzidine_200 svg 1S/C12H12N2/c13-11-5-1-9 2-6-11 10-3-7-12 14 8-4-10/h1-8H 13-14H2 HFACYLZERDEVSX-UHFFFAOYSA-N 92-87-5 PD-chem Benzidine |