InChI=1/C21H23NO8/c1-2-5-28-14-8-10-3-4-11(6-12(10)7-13(14)23)21(27)22-15-16(24)18(26)20-19(17(15)25)29-9-30-20/h2-4,6-8,15-20,23-26H,1,5,9H2,(H,22,27)/t15-,16+,17-,18-,19+,20-/m1/s1/f/h22H 5E491B4E9FC89B4B