InChI=1S/C16H22NO5P/c1-17-11-8-9-13(17)15(16(18)21-2)14(10-11)22-23(19,20)12-6-4-3-5-7-12/h3-7,11,13-15H,8-10H2,1-2H3,(H,19,20)/t11-,13+,14-,15+/m0/s1