InChI=1/C21H23NO4/c1-20(2,15-7-5-4-6-8-15)13-21(3,25)19(24)22-16-9-10-17-14(11-16)12-26-18(17)23/h4-11,25H,12-13H2,1-3H3,(H,22,24)/t21-/m1/s1/f/h22H	0160D7028F10B7A1