2-[vinyl-dicarboxylic acid ester]-3-amino-1, 2, 4-triazoles as stabilizers for photographic silver-halide emulsions
申请人:GEN ANILINE & FILM CORP
公开号:US02449226A1
公开(公告)日:1948-09-14
428. The structure of certain polyazaindenes. Part X. The reaction of ethyl α-cyano(and α-ethoxycarbonyl)-β-ethoxyacrylate and -β-ethoxycrotonate with some α-aminoazoles