105-44-2 2-Methyl-4-pentanone oxime 2-Pentanone, 4-methyl-, oxime 4-Methyl-2-pentanone oxime Methyl isobutyl ketoxime Methyl isobutyl oxime NSC31611 Usaf am-4 WLN: QNUY1 & 1Y1 & 1