InChI=1/C17H19NO4/c1-20-14-4-9-2-3-18-7-10-5-12-13(22-8-21-12)6-11(10)15(16(9)18)17(14)19/h4-6,14-17,19H,2-3,7-8H2,1H3/t14-,15-,16+,17+/m0/s1 485095B15B6C7703