InChI=1S/C10H10N5O7P/c11-10-14-8-5(9(18)15-10)13-3(1-12-8)6(17)7-4(16)2-21-23(19,20)22-7/h1,4,7,16H,2H2,(H,19,20)(H3,11,12,14,15,18)/t4-,7+/m0/s1