InChI=1/C21H25N3O6/c1-12(2)9-14(20(27)24-15-10-18(26)30-21(15)28)23-17(25)11-29-16-7-3-5-13-6-4-8-22-19(13)16/h3-8,12,14-15,21,28H,9-11H2,1-2H3,(H,23,25)(H,24,27)/t14-,15-,21-/m0/s1/f/h23-24H 9BB6B0E2F317E358