5',5''''- (Ethyne-1,2-diyl) bis (([1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid) )

95%

O=C (C (C=C1) =CC=C1C2=CC (C#CC3=CC (C4=CC=C (C (O) =O) C=C4) =CC (C5=CC=C (C (O) =O) C=C5) =C3) =CC (C6=CC=C (C (O) =O) C=C6) =C2) O

1942863-41-3