4 methyl 1 2 4 triazole 3 thiol July 8, 2019 16 32 64 128 4 methyl 4h 1 2 4 triazole 3 thiol 4-methyl-1 2 4-triazole 4 methyl thiazole 3-methyl-1h-1 2 4-triazole 2 4 5-trimethylthiazole 1-methyl-1 2 4-triazole