InChI=1/C20H21Cl2N3O3/c1-4-6-13-10-23-18-16(17(13)28-5-2)19(26)25(20(27)24(18)3)11-12-7-8-14(21)15(22)9-12/h7-10H,4-6,11H2,1-3H3 9D93CB13D818D78F