Methyldopa EP Impurity C

Chemical Name: (2S)-2-Amino-3-(3,4-dimethoxyphenyl)-2-methylpropanoic acid

Synonym: (S)-1-((4R,7S,10S,13S,16R)-7-(2-amino-2-oxoethyl)-13-((S)-sec-butyl)-16-(4-ethoxybenzyl)-10-((R)-1-hydroxyethyl)-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosane-4-carbonyl)-N-((S)-2-oxopiperidin-3-yl)pyrrolidine-2-carboxamide