InChI=1/C15H19N3O3/c19-14(18-21)7-2-1-3-9-17-15(20)12-5-4-6-13-11(12)8-10-16-13/h4-6,8,10,16,21H,1-3,7,9H2,(H,17,20)(H,18,19)/f/h17-18H 86445BC499463915