InChI=1/C19H23NO4/c1-20(14-12-19(21)22)13-5-15-23-16-8-10-18(11-9-16)24-17-6-3-2-4-7-17/h2-4,6-11H,5,12-15H2,1H3,(H,21,22)/f/h20H C9DCC00F99D54C88