InChI=1/C20H23N5O2/c1-2-27-17(26)9-14-8-15(10-22-14)25-11-16(13-6-4-3-5-7-13)18-19(21)23-12-24-20(18)25/h3-7,11-12,14-15,22H,2,8-10H2,1H3,(H2,21,23,24)/t14-,15+/m1/s1/f/h21H2 3CA33091D2308C5B