5-carboxyl-2,3,3-trimethyl-3H-indole, 2,3,3-trimethyl-5-carboxy-3-H-indole, 2,3,3-trimethyl-3H-indolo-5-carboxylic acid, 2,3,3-trimethyl-3H-indole-5-carboxylic acid, EINECS 282-162-4, 2,3,3-trimethylindolenine-5-carboxylic acid, 5-carboxylic acid 2,3,3-trimethyl-3H-indole