Chemical Name: 5-(2-Ethoxy-5-((4-methylpiperazin-1-yl-2,2,3,3,5,5,6,6-d8)sulfonyl)phenyl)-1-methyl-3-propyl-1,4-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
Smile: CCOC1=C(C=C(C=C1)S(=O)(N2C([2H])(C([2H])(N(C([2H])(C2([2H])[2H])[2H])C)[2H])[2H])=O)C(NC3=C4N(N=C3CCC)C)=NC4=O