InChI=1/C14H19N3O4/c1-3-7-15-14(20)17-16-13(19)12-8(2)11-9(18)5-4-6-10(11)21-12/h3-7H2,1-2H3,(H,16,19)(H2,15,17,20)/f/h15-17H 632E55E9B7F88366