InChI=1/C18H17N3O3/c19-9-10-24-14-7-5-13(6-8-14)20-17(22)15-11-12-3-1-2-4-16(12)21-18(15)23/h5-8,11H,1-4,10H2,(H,20,22)(H,21,23)/f/h20-21H 2334A5BE56DFFA5A