InChI=1/C19H20ClN3O3/c20-15-6-8-16(9-7-15)21-19(24)18(22-12-2-1-3-13-22)14-4-10-17(11-5-14)23(25)26/h4-11,18H,1-3,12-13H2,(H,21,24)/t18-/m1/s1/f/h21H 73808B6856CC6F96