1-(Carboethoxymethyl)-3-(4-methoxy-1-naphthyl)-parabanic acid 1-IMIDAZOLIDINEACETIC ACID, 3-(4-METHOXY-1-NAPHTHYL)-2,4,5-TRIOXO-, ETHYL ESTER 101564-81-2 3-(4-Methoxy-1-naphthyl)-2,4,5-trioxo-1-imidazolidineacetic acid ethyl ester