InChI=1S/C20H21NO4.C8H10NO6P/c1-22-17-6-5-13(10-18(17)23-2)9-16-15-12-20(25-4)19(24-3)11-14(15)7-8-21-16;1-5-8(11)7(3-10)6(2-9-5)4-15-16(12,13)14/h5-8,10-12H,9H2,1-4H3;2-3,11H,4H2,1H3,(H2,12,13,14)