... 2-(4-methoxycarbonyl-2-pyridinyl)-4-pyridinecarboxylic acid methyl ester CAS: 71071-46-0 EINECS: N/A MF: ... intermediate 2,2'-Bipyridinyl-4,4'-dicarboxylic acid dimethyl ester CAS: 71071-46-0 is raw material of ... [2,2'-bipyridine]-4,4'-dicarboxylic acid, dimethyl ester; 4,4'-bis(methoxycarbonly)-2,2'-bipyridine; 2-(4 ... acid CAS:159614-36-5 4,4'-Diethyl ester phosphonate-2,2'-bipyridine CAS: 174397-53-6 ...