InChI=1/C17H17N5O/c18-14-10-13(17(23)21-8-4-5-9-21)11-15-19-16(20-22(14)15)12-6-2-1-3-7-12/h1-3,6-7,10-11H,4-5,8-9,18H2 D27DA2D81D1B74C0