InChI=1/C18H25N3O7/c1-21(10-15(22)19-5-6-26-2)11-16(23)20-14-8-12(17(24)27-3)7-13(9-14)18(25)28-4/h7-9H,5-6,10-11H2,1-4H3,(H,19,22)(H,20,23)/p+1/fC18H26N3O7/h19-21H/q+1 99948A5D8FA73147