. "1-Phenylethanedione" . . . . "phenylglyoxal" . . . . "Phenylglyoxal" . . . "Phenylglyoxal" . "2-Oxo-2-phenylethanal" . . . "2-Oxo-2-phenylacetaldehyde" . . "Phenylglyoxal" . "phenylbenzylglyoxal" . .