Clc1cc(cc(C(=O)O)c1O)C(=CCCOP(=O)(O)OC2CCC3(C)C(CCC4C5CCC(C(C)CCCC(C)C)C5(C)CCC34)C2)c6cc(Cl)c(O)c(c6)C(=O)O.N