1H-Imidazole-4-carboxylic acid, 5-(3,3-dimethyl-1-triazenyl)-2-phenyl-, ethyl ester 37126-45-7 4-Carbethoxy-5-(3,3-dimethyl-1-triazeno)-2-phenylimidazole Brl 51242 Brl-51242 NSC 166721