1-羟基-2,2,5,5-四甲基-3-咪唑啉-4-甲醛腙-3-氧化物HHTI2,5-二氢-1-羟基-2,2,5,5-四甲基咪唑-4-甲醛腙 3-氧化物4-亚肼基甲基-1-羟基-2,2,5,5-四甲基-3-咪唑啉-3-氧化物1-Hydroxy-2,2,5,5-tetramethyl-3-imidazoline-4-carboxaldehyde hydrazone-3-oxide2,5-Dihydro-1-hydroxy-2,2,5,5-tetramethylimidazole-4-carboxaldehyde hydrazone 3-oxide4-Hydrazonomethyl-1-hydroxy-2,2,5,5-tetramethyl-3-imidazoline-3-oxide