2-Diethylaminoethyl 5-hydroxydibenzo(a,d)cycloheptadiene-5-carboxylate hydrochloride 5H-DIBENZO(a,d)CYCLOHEPTENE-5-CARBOXYLIC ACID, 10,11-DIHYDRO-5-HYDROXY-2-DIETHYL 5H-Dibenzo(a,d)cycloheptene-5-carboxylic acid, 10,11-dihydro-5-hydroxy-2-diethylaminoethyl ester, hydrochloride 67196-56-9