英文别名8-(2-Diphenylmethoxy-N-methylethylamin)-1,3-dimethylxanthin; 8-[2-(diphenylmethoxy)ethylmethylamino]theophylline; 8-[(2-benzhydryloxy-ethyl)-methyl-amino]-1,3-dimethyl-3,7(9)-dihydro-purine-2,6-dione; 8-[2-benzhydryloxyethyl(methyl)amino]-1,3-dimethyl-7H-purine-2,6-dione; Theophylline Impurity 14; 1H-Purine-2,6-dione, 8-[[2-(diphenylmethoxy)ethyl]methylamino]-3,9-dihydro-1,3-dimethyl-