InChI=1/C21H23N3O4/c25-21(22-12-4-1-5-13-22)20-15-23(18-6-2-3-7-19(18)28-20)14-16-8-10-17(11-9-16)24(26)27/h2-3,6-11,20H,1,4-5,12-15H2/t20-/m1/s1	12A14E14E227518D