InChI=1S/C19H24NO4P/c20-18(12-11-15-7-3-1-4-8-15)25(23,24)14-17(19(21)22)13-16-9-5-2-6-10-16/h1-10,17-18H,11-14,20H2,(H,21,22)(H,23,24)/t17-,18+/m1/s1