InChI=1/C18H17N3O2/c1-13(15-9-6-10-19-12-15)21(2)18(22)16-11-17(23-20-16)14-7-4-3-5-8-14/h3-13H,1-2H3/t13-/m0/s1 1DC873FBE77687C3