InChI=1/C17H20O5/c1-8-7-20-13-12(8)15(21-10(3)18)16(4)9(2)5-6-11-17(16,22-11)14(13)19/h7,9,11,15H,5-6H2,1-4H3/t9-,11+,15+,16-,17-/m0/s1 5EA62F5143A2B4D3