InChI=1/C15H17N3O3/c19-15-4-2-1-3-13(15)17-12-5-6-14(18(20)21)11-9-16-8-7-10(11)12/h5-9,13,15,17,19H,1-4H2/t13-,15-/m0/s1 F916309EA99E1A0A