15658-35-2 3-Pyridinecarboxylic acid, 6,6'-dithiobis- 5-22-05-00117 (Beilstein Handbook Reference) 6,6'-Dithiobis-3-pyridinecarboxylic acid 6,6'-Dithiodinicotinic acid 6,6'-Dithionicotinic acid AI3-62508 BRN 0426589 CPDS Carboxypyridine disulfide EINECS 239-729-6 NSC 147758 Nicotinic acid, 6,6'-dithiodi- (8CI)