(-)-L-alpha-Hydrazino-3,4-dihydroxy-alpha-methylhydrocinnamic acid monohydrate 38821-49-7 Benzenepropanoic acid, alpha-hydrazino-3,4-dihydroxy-alpha-methyl-, monohydrate, (S) Benzenepropanoic acid, alpha-hydrazino-3,4-dihydroxy-alpha-methyl-, monohydrate, (S)- CARBIDOPA Carbidopa hydrate Hydrocinnamic acid, (-)-L-alpha-hydrazino-3,4-dihydroxy-alpha-methyl-, monohydrate Lodosyn S(-)-alpha-Hydrazino-3,4-dihydroxy-alpha-methylhydrocinnamic acid monohydrate Sinemet