InChI=1/C18H23N3O6/c1-3-26-14-6-7-16(17(11-14)21(23)24)19-18(22)13-20(8-10-25-2)12-15-5-4-9-27-15/h4-7,9,11H,3,8,10,12-13H2,1-2H3,(H,19,22)/p+1/fC18H24N3O6/h19-20H/q+1 3F5BB99BB8E8E803