InChI=1/C19H17N3O3/c1-2-25-18(24)15-16(12-8-4-3-5-9-12)22-14-11-7-6-10-13(14)20-19(22)21-17(15)23/h3-11,15-16H,2H2,1H3,(H,20,21,23)/t15-,16-/m0/s1/f/h20H 68B92AC1EBE2FCC4