InChI=1S/C21H27N2O5P/c1-15(22)29(27,28)14-18(12-16-8-4-2-5-9-16)20(24)23-19(21(25)26)13-17-10-6-3-7-11-17/h2-11,15,18-19H,12-14,22H2,1H3,(H,23,24)(H,25,26)(H,27,28)/t15-,18-,19+/m1/s1