InChI=1S/C21H25NO4/c1-10-8-15-12(3)26-20-16(13-4-6-14(23)7-5-13)9-22-21(25)18(20)17(15)11(2)19(10)24/h4-7,9-12,15,17,19,23-24H,8H2,1-3H3,(H,22,25)/t10-,11+,12-,15-,17+,19+/m0/s1