InChI=1/C26H31N3O4/c1-18(2)27-26(30)24-23(19-7-5-4-6-8-19)21-10-9-20(17-22(21)25(24)28(3)31)33-16-13-29-11-14-32-15-12-29/h4-10,17-18H,11-16H2,1-3H3,(H,27,30)/p+1/b28-25+/fC26H32N3O4/h27,29H/q+1 4C441C309D868B8F