甲基3-巯基-D-缬氨酸酯盐酸盐

(2S)-2-formamido-3-methyl-3-sulfanylbutanoic acid

2-[(2-ethoxycarbonyl-3,4-dihydro-2H-pyrrol-5-yl)amino]-3-methyl-3-sulfanylbutanoic acid

(2R)-3-methyl-3-sulfanyl-2-(2,3,4,5-tetrahydropyridin-6-ylamino)butanoic acid

(4S,2RS)-2,5,5-三甲基噻唑啉-4-羧酸