InChI=1/C23H25NO4/c1-26-20-13-18-19(14-21(20)27-2)28-22(23(18)25)12-16-7-6-8-17(11-16)15-24-9-4-3-5-10-24/h6-8,11-14H,3-5,9-10,15H2,1-2H3/p+1/b22-12-/fC23H26NO4/h24H/q+1 5F924890E2752B28