3-异丁基戊二酸酐
4-isobutyl-dihydro-3H-pyran-2,6-dione;4-Isobutyldihydro-2H-pyran-2,6(3H)-dione;3-isobutyl-glutaric anhydride;2H-pyran-2,6(3H)-dione,dihydro-4-(2-methylpropyl);IBG-anhydride;
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