InChI=1/C18H15N5O/c1-12-6-7-13(24)10-15(12)21-18-19-9-8-17(22-18)23-11-20-14-4-2-3-5-16(14)23/h2-11,24H,1H3,(H,19,21,22)/f/h21H 63C5BFB8AD800EC1