| aspergillic acid |
| 1-hydroxy-6-(1-methylpropyl)-3-(2-methylpropyl)-2(1h)-pyrazinone |
| 1-hydroxy-6-(1-methylpropyl)-3-(2-methylpropyl)- (+)-2(1h)-pyrazinon |
| 6-sec-butyl-1-hydroxy-3-isobutyl-2(1h)-pyrazinon |
| 2-hydroxy-3-isobutyl-6-(1-methylpropyl)pyrazine 1-oxide |
| 3-isobutyl-6-sec-butyl-2-hydroxypyrazine 1-oxide |
| 6-sec-butyl-1-hydroxy-3-isobutyl-2(1h)-pyrazinone |
| 6-sec-butyl-3-isobutyl pyrazinol 1-oxide |
| granegillin |
| 6-sec-butyl-3-isobutyl-pyrazino 1-oxide |
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