InChI=1/C27H27N5O2/c1-17(2)19-7-5-8-21(15-19)31-25(33)20-11-10-18(3)24(16-20)34-26-22(9-6-13-29-26)23-12-14-30-27(28-4)32-23/h5-17H,1-4H3,(H,31,33)(H,28,30,32)/f/h28,31H 47997B6561043659