Not less than-95.0%
(2R,3aS,7aS)-Octahydro-1H-indole-2-carboxylic acid; 1H-Indole-2-carboxylic acid, octahydro-, [2R-(2α,3aα,7aα)]; (2R,3aS,7aS)-Octahydro-1H-indole-2-carboxylic acid; 1H-Indole-2-carboxylic acid, octahydro-, (2R,3aS,7aS)