(3S)-7-chloro-3-(2-((1R)-1-carboxyethoxy)-4-aminomethylphenyl)aminocarbonylmethyl-1,3,4,5-tetrahydrobenz(c,d)indole-2-carboxylic acid hydrochloride
(3s)-7-chloro-3-(2-((1r)-1-carboxyethoxy)-4-aminomethylphenyl)aminocarbonylmethyl-1,3,4,5-tetrahydrobenz(c,d)indole-2-carboxylic acid hydrochloride