~{N}4-[(4-chlorophenyl)methyl]-~{N}4-cyclopentyl-~{N}1-(phenylmethyl)-~{N}1-(piperidin-4-ylmethyl)benzene-1,4-disulfonamide

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