InChI=1/C28H33N5O2/c1-27(18-29,22-10-11-22)31-25(34)16-33(17-26(35)32-28(2,19-30)23-12-13-23)15-14-21-8-5-7-20-6-3-4-9-24(20)21/h3-9,22-23H,10-17H2,1-2H3,(H,31,34)(H,32,35)/t27-,28+/f/h31-32H 16EB3D1F1CD57ACD