InChI=1/C21H23NO5/c1-15(23)20-13-17(6-7-21(20)26-9-5-4-8-22)27-14-16-10-18(24-2)12-19(11-16)25-3/h6-7,10-13H,4-5,9,14H2,1-3H3 6EBBAB7BC9C07B16