InChI=1/C20H21N3O5/c1-11-4-3-5-12(2)17(11)28-10-14(24)9-21-20(27)22-13-6-7-15-16(8-13)19(26)23-18(15)25/h3-8,14,24H,9-10H2,1-2H3,(H2,21,22,27)(H,23,25,26)/t14-/m0/s1/f/h21-23H C90FA06CB63EDDF9