InChI=1S/C21H21ClN4O3/c1-3-24(4-2)14-20-23-11-12-25(20)19-10-9-15(26(28)29)13-17(19)21(27)16-7-5-6-8-18(16)22/h5-13H,3-4,14H2,1-2H3