1H-AZEPINO(5,4,3-cd)INDOLE-2-CARBOXYLIC ACID, 3,4-DIHYDRO-9-CHLORO-6-METHYL-, ET 1H-Azepino(5,4,3-cd)indole-2-carboxylic acid, 3,4-dihydro-9-chloro-6-methyl-, ethyl ester, hydrochloride 4499-19-8