InChI=1/C16H19N3O3/c20-16(14-4-2-8-22-14)17-10-5-6-11-12(9-10)19-15(18-11)13-3-1-7-21-13/h5-6,9,13-14H,1-4,7-8H2,(H,17,20)(H,18,19)/t13-,14-/m0/s1/f/h17,19H 9D0A7FA355D19AB2