英文别名1,1'-[(5E)-5-Methyl-7-oxo-5-undecene-1,11-diyl]Bis[Theobromine]; 1-[(E)-11-(3,7-dimethyl-2,6-dioxopurin-1-yl)-5-methyl-7-oxoundec-5-enyl]-3,7-dimethylpurine-2,6-dione; 3,7-Dihydro-3,7-dimethyl-1-[(5E)-5-methyl-7-oxo-11-(2,3,6,7-tetrahydro-3,7-dimethyl-2,6-dioxo-1H-purin-1-yl)-5-undecen-1-yl]-1H-purine-2,6-dione; Pentoxifylline Impurity J; Pentoxifylline EP impurity J; Pentoxifylline Impurity 10; Pentoxiflline EP Impurity J 
