InChI=1/C23H31NO4/c25-21(19-13-5-2-6-14-19)22(26)24-16-8-7-15-20(24)23(27)28-17-9-12-18-10-3-1-4-11-18/h1,3-4,10-11,19-20H,2,5-9,12-17H2/t20-/m1/s1 2FEFF72AB50347FE