InChI=1/C23H32N2O4/c1-14(2)28-20-11-19(12-21(13-20)29-15(3)4)25-23(26)18-9-16(5)22(17(6)10-18)27-8-7-24/h9-15H,7-8,24H2,1-6H3,(H,25,26)/p+1/fC23H33N2O4/h24-25H/q+1 8707841B1BF27D5B