2,4-Oxazolidinedione, 5,5-dimethyl-3-(1-phenylethyl)- 2,4-Oxazolidinedione, 5,5-dimethyl-3-(alpha-methylbenzyl)- 5,5-Dimethyl-3-(1-phenylethyl)-2,4-oxazolidinedione RP9213000