10541-19-2 3-Quinuclidyl 5-hydroxy-10,11-dihydro-(5H)-dibenzo(a,d)cycloheptene-5-carboxylate 5H-DIBENZO(a,d)CYCLOHEPTENE-5-CARBOXYLIC ACID, 10,11-DIHYDRO-5-HYDROXY-, 3-QUINU 5H-Dibenzo(a,d)cycloheptene-5-carboxylic acid, 10,11-dihydro-5-hydroxy-, 3-quinuclidinyl ester BRN 1510210