Tenofovir Disoproxil T12 Impurity

Chemical Name: Tetraisopropyl ((((((((methylenebis(azanediyl))bis(9H-purine-6,9-diyl))bis(propane-1,2-diyl))bis(oxy))bis(methylene))bis(oxo-l5-phosphanetriyl))tetrakis(oxy))tetrakis(methylene)) tetracarbonate