[Xx]C1=C2C(=O)CC3=C2N4[Mg]N5C(C=C6N=C(C=C14)C([Xx])C6C)=C(C(O)C)C(C)=C5C([Xx])=C7N=C3C(CCC(=O)OCC=C(C)CCC=C(C)CCC=C(C)C)C7C