InChI=1/C21H27N3O4/c1-21(2,11-14-7-9-16(27-3)10-8-14)22-12-15(25)13-28-18-6-4-5-17-19(18)24-20(26)23-17/h4-10,15,22,25H,11-13H2,1-3H3,(H2,23,24,26)/p+1/t15-/m0/s1/fC21H28N3O4/h22-24H/q+1 B2E98FD8A28A2113