1 2RF 3-[(3-chloro-4-hydroxyphenyl)amino]-4-(3-chlorophenyl)-1h-pyrrole-2,5-dione 1.000 2 679 2-chloro-5-[4-(3-chloro-phenyl)-2,5-dioxo-2,5-dihydro-1h-pyrrol-3-ylamino]-benzoic acid 0.778 3 LI7 (3e)-3-[(4-hydroxyphenyl)imino]-1h-indol-2(3h)-one 0.708