InChI=1/C17H23N3O4/c21-15(14-11-4-1-2-5-12(11)24-19-14)20-9-6-13-17(10-20,16(22)23)7-3-8-18-13/h13,18H,1-10H2,(H,22,23)/t13-,17+/m1/s1/f/h18H 4EF0220B85D5B0B7