Synonyms: Benzoicacid, p-amino-, ester with 3-hydroxy-1-methyl-3-piperidyl phenyl ketone,monohydrochloride, (?à)- (8CI); Methanone,[3-[(4-aminobenzoyl)oxy]-1-methyl-3-piperidinyl]phenyl-, monohydrochloride(9CI); Methanone, [3-[(4-aminobenzoyl)oxy]-1-methyl-3-piperidinyl]phenyl-,monohydrochloride, (?à)-; Ketone, 3-hydroxy-1-methyl-3-piperidyl phenyl, p-aminobenzoate(ester), monohydrochloride (8CI); Ketone, p-amino-, ester with4-hydroxy-1-methyl-4-piperidyl phenyl ketone, monohydrochloride, (?à)-; (?à)-1-Methyl-3-benzoyl-3-(p-aminobenzoyloxy)piperidinehydrochloride