InChI=1/C19H19N3O3/c1-19(2)7-12(23)15-13(8-19)25-18(22)16(17(21)24)14(15)11-5-3-10(9-20)4-6-11/h3-6,14H,7-8,22H2,1-2H3,(H2,21,24)/t14-/m0/s1/f/h21H2 F982E2452CB7A894