InChI=1/C18H21N5O3/c1-20-15-14(16(25)21(2)18(20)26)23-10-3-9-22(17(23)19-15)11-8-12-4-6-13(24)7-5-12/h4-7,24H,3,8-11H2,1-2H3 D5BE48A74DE610B8