InChI=1S/C21H27N2O5P/c1-14(21(25)26)23-20(24)19(13-29(27,28)15(2)22)12-16-8-10-18(11-9-16)17-6-4-3-5-7-17/h3-11,14-15,19H,12-13,22H2,1-2H3,(H,23,24)(H,25,26)(H,27,28)/t14-,15+,19+/m0/s1