InChI=1/C23H23NO4/c1-3-28-23(26)16-11-12-20-19(13-16)17-5-4-6-18(17)21(24-20)14-7-9-15(10-8-14)22(25)27-2/h4-5,7-13,17-18,21,24H,3,6H2,1-2H3/t17-,18+,21-/m0/s1 2161295657F0D97A