InChI=1/C15H14N6O2/c1-3-20-12-8-6-4-5-7-9(8)21-14(17-18-19-21)10(12)11(16)13(20)15(22)23-2/h4-7H,3,16H2,1-2H3 EB3B56D0E34E263A