COc1ccc([C@@H]2CC(=O)c3c(O)cc(C)cc3O2)cc1O.CC(C)=CCOP(=O)([O-])OP(=O)([O-])[O-]>>COc1ccc([C@@H]2CC(=O)c3c(cc(C)c(CC=C(C)C)c3O)O2)cc1O.[O-]P(=O)([O-])OP(=O)([O-])([O-]).[H+]