InChI=1/C18H17N3O3/c1-10-7-11(2)15-14(8-10)16(18(23)20-15)21-24-9-12-3-5-13(6-4-12)17(19)22/h3-8H,9H2,1-2H3,(H2,19,22)(H,20,21,23)/f/h20H,19H2/b21-16+ 19825CB0CC07E6A4