InChI=1/C21H26N2O5/c1-21(2,10-13-4-6-15(27-3)7-5-13)22-11-18(25)16-8-14(24)9-17-20(16)28-12-19(26)23-17/h4-9,18,22,24-25H,10-12H2,1-3H3,(H,23,26)/p+1/t18-/m0/s1/fC21H27N2O5/h22-23H/q+1 BD9989FD70690238