InChI=1/C23H25N3O2/c1-18(20-12-8-14-24-15-20)26(2)23(27)25-16-21-11-6-7-13-22(21)28-17-19-9-4-3-5-10-19/h3-15,18H,16-17H2,1-2H3,(H,25,27)/t18-/m1/s1/f/h25H 36DBF4E135FF057F