1 6TU (1~{S})-2-(3-methoxyphenyl)-3-oxidanylidene-1-prop-2-enyl-1~{H}-isoindole-4-carboxylic acid 1.000 2 6TJ 3-oxidanylidene-2-phenyl-1~{H}-isoindole-4-carboxylic acid 0.792 3 H32 2-(3-fluoranyl-4-oxidanyl-phenyl)-3-oxidanylidene-1~{H}-isoindole-4-carboxylic acid 0.731