InChI=1/C18H21N3O3/c1-3-10-20-15-14(17(23)21(11-4-2)18(20)24)19-13(16(15)22)12-8-6-5-7-9-12/h5-9,19,22H,3-4,10-11H2,1-2H3/p-1/fC18H20N3O3/h22h/q-1 74E14707FBED7FBE