[H]C1(C2([H])c3c(cc4c(c3OC)OCO4)CCN2C)OC(=O)c2c1ccc(OC)c2OC
DRUGMATRIX assay inhibits PDE5 enzyme (substrate: [3H]cGMP + cGMP) and targets a single protein. It uses human platelet cells and is an in vitro binding assay. Does the molecule work for this assay?