AR-1L6217 diethyl 2-[(5-oxopyrrolidine-2-carbonyl)amino]pentanedioate AC1L60DZ 1-(4-ethylphenyl)-2-methyl-3-(piperidin-1-yl)propan-1-one hydrochloride'(1:1) 180905-82-2 6-methylquinoline-8-sulfonamide I14-18066