InChI=1/C20H23N3O6/c1-11-5-3-4-6-20(11)18(26)23(19(27)22-20)9-17(25)21-14-8-16-15(28-10-29-16)7-13(14)12(2)24/h7-8,11H,3-6,9-10H2,1-2H3,(H,21,25)(H,22,27)/t11-,20+/m0/s1/f/h21-22H C7B7BD03C845E308