InChI=1/C21H28N4O2/c1-13(2)16-10-8-14(3)12-19(16)23-21(27)25-24-20(26)18-11-9-15-6-4-5-7-17(15)22-18/h4-7,9,11,13-14,16,19H,8,10,12H2,1-3H3,(H,24,26)(H2,23,25,27)/t14-,16-,19+/m0/s1/f/h23-25H DF1E10CBB3B30889