67227-21-8 9-Cyclohexylfluorene-9-carboxylic acid 2-(diethylamino)ethyl ester hydrochloride FLUORENE-9-CARBOXYLIC ACID, 9-CYCLOHEXYL-, 2-(DIETHYLAMINO)ETHYL ESTER, HYDROCHL Fluorene-9-carboxylic acid, 9-cyclohexyl-, 2-(diethylamino)ethyl ester, hydrochloride