InChI=1/C20H21N3O5/c1-12-8-14(27-11-18(21)24)6-7-16(12)23-20(26)19(25)22-10-15-9-13-4-2-3-5-17(13)28-15/h2-8,15H,9-11H2,1H3,(H2,21,24)(H,22,25)(H,23,26)/t15-/m0/s1/f/h22-23H,21H2 7ECBE27284C07EA2