4-((2-(cyclohexylcarbamoyl)ethyl)methylamino)-1-isopropyl-1,3,4,5-tetrahydrobenz(cd)indole, (S)-isomer
4-((2-(cyclohexylcarbamoyl)ethyl)methylamino)-1-isopropyl-1,3,4,5-tetrahydrobenz(cd)indole, (s)-isomer