1,3-Propanediamine, N-(2,3-dihydro-1H-inden-2-yl)-N',N'-diethyl-N-phenyl-, monohydrochloride 33237-74-0 Aprindine hydrochloride Compound 83846 Fibocil N,N-Diethyl-N'-2-indanyl-N'-phenyl-1,3-propanediamine monohydrochloride NSC284614