(4-Ethylphenyl)-(4-methoxyphenyl)imino-oxidoammonium

2h-pyran-2-one, tetrahydro-4-methyl- ; 4-methyltetrahydro-2h-pyran-2-one ; 4-methyloxan-2-one ; β-methyl-δ-valerolacto ; 3-methyl-5-valerolactone ; 2h-pyran-2-one,tetrahydro-4-methyl- ; 3-methyl-5-pentanolide ; valeric acid, 5-hydroxy-3-methyl-, d-lactone (7ci) ; b-methyl-d-valerolactone ; 4-methyltetrahydro-2-pyrone ; tetrahydro-4-methyl-2h-pyran-2-one ; valericacid, 5-hydroxy-3-methyl-, lactone (6ci) ; nsc 32358 ; (?à)-3-methylvalerolactone ; 4-methyltetrahydropyran-2-one ; 3-methyl-5-hydroxypentanoic acid lactone