2-(4-chloro-1H-indol-3-yl)acetic acid 2-(4-chloro-1H-indol-3-yl)ethanoic acid 2519-61-1 (4-chloro-1H-indol-3-yl)acetic acid 4-chloro-1H-indole-3-acetic acid 4-chloroindolyl-3-acetic acid CHEBI:20339 NSC295294 1H-Indole-3-acetic acid, 4-chloro- 4-Chloroindole-3-acetate 4-Chloroindole-3-acetic acid 4-Cl-Iaa ST5450580