InChI=1/C18H21N4O3/c1-3-9-20-15-11-14(12-5-7-13(19)8-6-12)22(25)16(15)17(23)21(10-4-2)18(20)24/h5-8,11H,3-4,9-10,19H2,1-2H3/q-1 7136BDD9A838DBA3