InChI=1/C21H23N3O4/c1-15(25)16-2-4-17(5-3-16)21-11-10-20(28-21)14-22-12-13-23-18-6-8-19(9-7-18)24(26)27/h2-11,15,22-23,25H,12-14H2,1H3/p+1/t15-/m0/s1/fC21H24N3O4/h22H/q+1 F32931E1A1821558