17981-64-5 4-(1-Methylethyl)-3-nitro-gamma-oxobenzenebutanoic acid Acide, (isopropyl-4 nitro-3 phenyl)-4 oxo-4 butyrique [French] BRN 2294340 Benzenebutanoic acid, 4-(1-methylethyl)-3-nitro-gamma-oxo- CB 849