4-(2-7,12-bis(2-(4-carboxyphenyl)ethynyl)-3,8,13-trimethoxy-10,15-dihydro-5H-tribenzo(a,d,g)cyclononen-2-ylethynyl)benzoic acid
4-(2-7,12-bis(2-(4-carboxyphenyl)ethynyl)-3,8,13-trimethoxy-10,15-dihydro-5h-tribenzo(a,d,g)cyclononen-2-ylethynyl)benzoic acid