InChI=1/C21H21N3O5/c1-12-3-5-16(22-13(2)25)17(7-12)23-21(27)14-8-20(26)24(10-14)15-4-6-18-19(9-15)29-11-28-18/h3-7,9,14H,8,10-11H2,1-2H3,(H,22,25)(H,23,27)/t14-/m1/s1/f/h22-23H 5BFBCBA3976F1EF4