I(I)I.III.III.III.COc1ccc2nccc(C(O)C3CC4CCN3CC4C=C)c2c1.COc5ccc6nccc(C(O)C7CC8CCN7CC8C=C)c6c5.COc9ccc%10nccc(C(O)C%11CC%12CCN%11CC%12C=C)c%10c9.O=S(=O)(O)O.O=S(=O)(O)O.O=S(=O)(O)O.O=S(=O)(O)O.O=S(=O)(O)O.O=S(=O)(O)O