InChI=1/C21H23NO5/c1-13-18-16(9-6-10-17(18)23)22-19(13)21(25)27-12-15(20(24)26-2)11-14-7-4-3-5-8-14/h3-5,7-8,15,22H,6,9-12H2,1-2H3/t15-/m1/s1 F6C0E4E27E5892C9