InChI=1/C23H33NO4/c1-18(2)24-16-21(25)17-28-23-10-8-22(9-11-23)27-15-14-26-13-12-20-6-4-19(3)5-7-20/h4-11,18,21,24-25H,12-17H2,1-3H3/p+1/t21-/m0/s1/fC23H34NO4/h24H/q+1 131BC7E42015536F