英文同义词: | 1-Methyl-3-isopropyl-2-pyrazolin-5-one;2,4-Dihydro-5-isopropyl-2-methyl-3H-pyrazol-3-one;1-methyl-3-(propan-2-yl)-4,5-dihydro-1H-pyrazol-5-one;4,5-dihydro-1-methyl-3-isopropyl-5H-pyrazol-5-one;5-Isopropyl-2-methyl-2,4-dihydro-3H-pyrazol-3-one;3H-Pyrazol-3-one, 2,4-dihydro-2-methyl-5-(1-methylethyl)-;5-isopropyl-2-methyl-4H-pyrazol-3-one |