InChI=1/C18H23N3O4/c1-24-18(23)16(20-17(22)12-21-6-8-25-9-7-21)10-13-11-19-15-5-3-2-4-14(13)15/h2-5,11,16,19H,6-10,12H2,1H3,(H,20,22)/t16-/m1/s1/f/h20H 4E2DA5C6FC081EA2