label: N-(6-aminohexyl)-3-(1-ethyl-3-methyl-7-oxo-6,7-dihydro-1H-pyrazolo(4,3-d)pyrimidin-5-yl)-4-propoxybenzenesulfonamide
label_lc: n-(6-aminohexyl)-3-(1-ethyl-3-methyl-7-oxo-6,7-dihydro-1h-pyrazolo(4,3-d)pyrimidin-5-yl)-4-propoxybenzenesulfonamide