InChI=1/C13H17N3O3/c17-13(15-11-2-1-7-14-9-11)8-10-3-5-12(6-4-10)16(18)19/h3-6,11,14H,1-2,7-9H2,(H,15,17)/p+1/t11-/m0/s1/fC13H18N3O3/h14-15H/q+1 552A83B732A838F4