Synonyms: Benzenepropanoicacid, a-hydrazino-3,4-dihydroxy-a-methyl-, (S)-;Hydrocinnamic acid, a-hydrazino-3,4-dihydroxy-a-methyl-, L- (8CI);(-)-L-a-Hydrazino-3,4-dihydroxy-a-methylhydrocinamic acid;(-)-L-a-Hydrazino-3,4-dihydroxy-a-methylhydrocinnamic acidmonohydrate;1-a-(3,4-Dihydroxybenzyl)-a-hydrazinopropionic acid;Carbidopa;Hydrazino-a-methyldopa;L-3-(3,4-Dihydroxyphenyl)-2-methyl-2-hydrazinopropionic acid;L-a-Hydrazino-3,4-dihydroxy-a-methylbenzenepropanoic acid;L-a-Methyl-a-hydrazino-b-(3,4-dihydroxyphenyl)propionicacid;L-a-Methyldopahydrazine;Lodosyn;MK 486;N-Aminomethyldopa;