InChI=1/C21H27N3O5/c1-24(13-16-7-10-18(27-2)11-19(16)28-3)14-20(25)22-12-15-5-8-17(9-6-15)23-21(26)29-4/h5-11H,12-14H2,1-4H3,(H,22,25)(H,23,26)/p+1/fC21H28N3O5/h22-24H/q+1 51FEEE348B8E9F76