3-(2-Chlorophenyl)-6-ethoxycarbonyl-5,7-dimethyl-2,4(1H,3H)-quinazolidinedione 3-Cedqd 6-Quinazolinecarboxylic acid, 3-(2-chlorophenyl)-1,2,3,4-tetrahydro-5,7-dimethyl-2,4-dioxo-, ethyl ester 81087-59-4