InChI=1/C20H30N2O5/c1-5-12-20(3,19(25)26-4)21-17(23)14-22(15-18(24)27-6-2)13-16-10-8-7-9-11-16/h7-11H,5-6,12-15H2,1-4H3,(H,21,23)/t20-/m1/s1/f/h21H 2F5B6F8048CB2713