8-BENZYL-7-(2-(HYDROXYETHYL)AMINO)ETHYL)THEOPHYLLINE

8-benzyl-7-(2-(N-ethyl-2-hydroxyethylamino)ethyl)theophylline

8-benzyl-7-{2-[ethyl(2-hydroxyethyl)aMino]ethyl}-1,3-diMethyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione

7-[2-[Ethyl(2-hydroxyethyl)amino]ethyl]-3,7-dihydro-1,3-dimethyl-8-(phenylmethyl)-1H-purine-2,6-dione