IUPAC:5-{2-ethoxy-5-[(2,2,3,3,5,5,6,6-2H8)piperazine-1-sulfonyl]phenyl}-1-methyl-3-propyl-1H,4H,7H-pyrazolo[4,3-d]pyrimidin-7-one
IUPAC:5-{2-ethoxy-5-[(2,2,3,3,5,5,6,6-2H8)piperazine-1-sulfonyl]phenyl}-1-methyl-3-propyl-1H,4H,7H-pyrazolo[4,3-d]pyrimidin-7-one