InChI=1/C27H25N3O2/c1-19(21-13-15-28-16-14-21)29-18-20-7-9-23(10-8-20)27(32)30-25-17-24(11-12-26(25)31)22-5-3-2-4-6-22/h2-17,19,29,31H,18H2,1H3,(H,30,32)/t19-/m1/s1/f/h30H 3890B7087D4641ED