2-Methylpropionic acid hydrazide 3619-17-8 4-02-00-00854 (Beilstein Handbook Reference) AI3-62527 BRN 0605579 ISOBUTYRIC ACID, HYDRAZIDE Isobutyrohydrazide Isobutyryl hydrazide NSC 141139 Propanoic acid, 2-methyl-, hydrazide