The chemical Methylphenidate has a known molecular formula of C14-H19-N-O2. Synonyms may include: 4311/B Ciba, Calocain, EINECS 204-028-6, HSDB 3126, Meridil, Methyl phenidate, Methyl phenidylacetate, Methyl alpha-phenyl-alpha-(2-piperidyl)acetate, Methylphenidan, Methylphenidatum [INN-Latin], Metilfenidato [INN-Spanish], Metilfenidato [Italian] (ChemID).