Chemical Name: 5-[2-Ethoxy-5-[(4-methylpiperazin-1-yl)sulfonyl]phenyl]-1-methyl-3-(2-methylpropyl)-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one,

Smiles: O=C1C(N(C)N=C2CC(C)C)=C2N=C(C3=CC(S(=O)(N4CCN(C)CC4)=O)=CC=C3OCC)N1