70299-69-3 BRN 1173548 Phosphoramidic acid, N-(2-(1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxopurin-7-yl)ethyl)-, O,O'-cyclic trimethylene ester Theophyllinyl-7' ethylamino-2 oxo-2 dioxaphosphorinnane-1,3,2 [French]