[1,1':2',1''-Terphenyl]-4,4''-dicarboxylic acid, 4',5'-diethynyl-, 4,4''-dimethyl ester

[1,1':2',1''-Terphenyl]-4,4''-dicarboxylic acid, 4',5'-diethynyl-, 4,4''-dimethyl ester · CAS 1670924-15-8