3-amino-5-mercapto-1 2 4-triazole July 8, 2019 16 32 64 128 4-amino-3-hydrazino-5-mercapto-1 2 4-triazole sigma 3-amino-5-mercapto-1 2 4-triazole synthesis 2-amino-5-mercapto-1 3 4-thiadiazole 3-amino-5-methylthio-1h-1 2 4-triazole 3-amino-1 2 4-triazole-5-carboxylic acid
