COC1=C(c2c[nH]c3ccccc23)C(=O)C(OC)=C(c2c[nH]c3ccccc23)C1=O.CC(C)=CCOP(=O)([O-])OP(=O)([O-])[O-]>>C=CC(C)(C)n1cc(C2=C(OC)C(=O)C(c3c[nH]c4ccccc34)=C(OC)C2=O)c2ccccc21.[O-]P(=O)([O-])OP(=O)([O-])([O-]).[H+]