InChI=1/C18H19NO6/c20-9-14-15(21)16(22)17(23)18(24-14)8-13(19-25-18)12-6-5-10-3-1-2-4-11(10)7-12/h1-7,14-17,20-23H,8-9H2/t14-,15-,16+,17-,18-/m1/s1 2D3E9EFB2BD0BBFF