缩氨基脲

semicarbazone

methyl isopropyl ketone semicarbazone

isobutyraldehyde semicarbazone

semicarbazone【有化】

methyl isopropyl ketone semicarbazone

nitrofurazone; 5-nitro-2-furaldehyde; semicarbazone

propionaldehyde semicarbazone

phenyl-semicarbazone