1H-Purine-2,6-dione, 3,7-dihydro-1,3-dimethyl-7-(2-(4-methylphenyl)-2-oxoethyl)-8-(1-piperidinyl)- 3,7-Dihydro-1,3-dimethyl-7-(2-(p-tolyl)-2-oxoethyl)-8-(1-piperidinyl)-1H-purine-2,6-dione 7-p-Toluoylmethyl-8-N-piperidinotheophylline 96885-58-4 BRN 5660099