InChI=1/C20H24ClN3O4/c1-15-2-3-16(21)12-20(15)23-10-8-22(9-11-23)13-18(25)14-28-19-6-4-17(5-7-19)24(26)27/h2-7,12,18,25H,8-11,13-14H2,1H3/t18-/m0/s1 509E630DB0B2FC39