InChI=1/C20H31N3O5/c1-13-8-19(2,3)12-20(9-13)17(26)23(18(27)22-20)10-16(25)28-11-15(24)21-14-6-4-5-7-14/h13-14H,4-12H2,1-3H3,(H,21,24)(H,22,27)/t13-,20-/m0/s1/f/h21-22H 84D3948C92D2BD16