40494-43-7 5H-BENZOCYCLOHEPTENE-9-ACETIC ACID, 6,7-DIHYDRO-, 2-(DIMETHYLAMINO)ETHYL ESTER, 5H-Benzocycloheptene-9-acetic acid, 6,7-dihydro-, 2-(dimethylamino)ethyl ester, hydrochloride 6,7-Dihydro-5H-benzocycloheptene-9-acetic acid 2-(dimethylamino)ethyl ester hydrochloride