[H]C12Cc3c[nH]c4cccc(c34)C1=CC(C(=O)NC1(C(C)C)OC3(O)N(C1=O)C(CC(C)C)C(=O)N1CCCC13[H])CN2C
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?