Synonyms: 1,2,4-Triazine-3,5(2H,4H)-dione,6-methyl-, 3-hydrazone (9CI); as-Triazin-5-ol, 3-hydrazino-6-methyl-(6CI,7CI,8CI); 2-Hydrazino-6-azathymine;3-Hydrazino-5-hydroxy-6-methyl-1,2,4-triazine;3-Hydrazino-6-methyl[1,2,4]triazin-5(4H)one; as-Triazin-5(2H)-one,3-hydrazino-6-methyl-