InChI=1/C13H19N3O3/c17-12(15-11-7-5-6-10-14-11)8-3-1-2-4-9-13(18)16-19/h5-7,10,19H,1-4,8-9H2,(H,16,18)(H,14,15,17)/f/h15-16H C109E815E3902F6F