CAS: 398507-55-6 Molecular Formula: C47 H62 N12 O11 S2 Molecular Weight (g/mol): 1035.2 Synonym: 7H-Pyrazolo[4,3-d]pyrimidin-7-one, 5,5'-[carbonylbis[oxy-2,1-ethanediyl-4,1-piperazinediylsulfonyl(6-ethoxy-3,1-phenylene)]]bis[1,6-dihydro-1-methyl-3-propyl-,1-Piperazineethanol, 4-[[3-(4,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]-, carbonate (2:1) (ester) (9CI),Lodenafil carbonate IUPAC Name: bis[2-[4-[4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,3-d]pyrimidin-5-yl)phenyl]sulfonylpiperazin-1-yl]ethyl] carbonate SMILES: CCCc1nn(C)c2C(=O)NC(=Nc12)c3cc(ccc3OCC)S(=O)(=O)N4CCN(CCOC(=O)OCCN5CCN(CC5)S(=O)(=O)c6ccc(OCC)c(c6)C7=Nc8c(CCC)nn(C)c8C(=O)N7)CC4