1H-Purine-2,6-dione, 3,7-dihydro-8-bromo-1,3-dimethyl-7-(2-(4-ethylphenyl)-2-oxoethyl)- 3,7-Dihydro-8-bromo-1,3-dimethyl-7-(2-(4-ethylphenyl)-2-oxoethyl)-1H-purine-2,6-dione 96885-28-8 BRN 5633841 p-Ethylbenzoylmethyl-8-bromotheophylline