InChI=1/C14H14N4O8/c15-13(23)17-9(19)5-25-11(21)7-1-2-8(4-3-7)12(22)26-6-10(20)18-14(16)24/h1-4H,5-6H2,(H3,15,17,19,23)(H3,16,18,20,24)/f/h17-18H,15-16H2 4B401CC811B0796B