InChI=1/C18H22N4O2/c1-3-10-21-16-15(17(23)22(11-4-2)18(21)24)20(13-19-16)12-14-8-6-5-7-9-14/h5-9,13H,3-4,10-12H2,1-2H3 902C6B70855E9E09