1-Hydroxy-6-(1-methylpropyl)-3-(2-methylpropyl)-2(1H)-pyrazinone 2(1H)-Pyrazinone, 1-hydroxy-6-(1-methylpropyl)-3-(2-methylpropyl)- (+)- (9CI) 2(1H)-Pyrazinone, 6-sec-butyl-1-hydroxy-3-isobutyl- 2-Hydroxy-3-isobutyl-6-(1-methylpropyl)pyrazine 1-oxide 3-Isobutyl-6-sec-butyl-2-hydroxypyrazine 1-oxide 490-02-8 6-sec-Butyl-1-hydroxy-3-isobutyl-2(1H)-pyrazinone 6-sec-Butyl-3-isobutyl pyrazinol 1-oxide ASPERGILLIC ACID BRN 0882390 Granegillin NSC 22939 Pyrazinol, 6-sec-butyl-3-isobutyl-, 1-oxide