~{N}1-[(4-chlorophenyl)methyl]-~{N}1-cyclopentyl-~{N}4-[[2-(methylamino)pyrimidin-4-yl]methyl]-~{N}4-(piperidin-4-ylmethyl)benzene-1,4-disulfonamide

O43924 — Retinal rod rhodopsin-sensitive cGMP 3',5'-cyclic phosphodiesterase subunit delta