1-Propanone, 1-(4-ethylphenyl)-2-methyl-3-(1-pyrrolidinyl)-, hydrochloride 4'-Ethyl-2-methyl-3-(1-pyrrolidinyl)propiophenone hydrochloride 4'-Ethyl-2-methyl-3-pyrrolidinopropiophenone hydrochloride 90878-85-6 99323-21-4 HSR-770 Inaperisone hydrochloride Propiophenone, 4'-ethyl-2-methyl-3-(1-pyrrolidinyl)-, hydrochloride