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/p+1/t14-,15-,16+,17+/m0/s1/fC17H20NO4/h18H/q+1 1335636B79C93394