Synonyms:
einecs 229-608-6 ; 2,4-dihydro-4,5-dimethyl-3h-pyrazol-3-one ; 3,4-dimethyl-5-pyrazolinone ; 3,4-dimethyl-2-pyrazolin-5-one ; 3,4-dimethylpyrazolin-5-one ; 3,4-dimethyl-5-pyrazolone ; 3,4-dimethyl-4,5-dihydro-1h-pyrazol-5-one ; nsc 60554 ; 3,4-dimethyl-Δ2-pyrazol-5-one ; 4,5-dimethyl-1,2-dihydro-pyrazol-3-one