SEARCH Articles Figures Tables 1.2.4- Triazoles 5-amino-3-mercapto- from 2- Amino-3-mercapto-propionic acid 2-Amino- (hydroxy-, mercapto 2-Amino-3-mercapto-5,6-dimethylpyrazine 2-Amino-3-mercapto-5-methoxypyrazine 3- Substituted-4-amino-5-mercapto 1,2,4-triazoles 3-Amino-5-mercapto-1,2,4-triazole 4- Amino-5-mercapto-1,2,4-triazoles 4-amino-3,5-mercapto-l,2,4-triazole Mercapto P-Mercapto-a-amino acids