The molecule is an organophosphate oxoanion arising from deprotonation of the triphosphate OH groups of TNP-ATP. It derives from an ATP(4-). It is a conjugate base of a TNP-ATP.
[[[(3aR,4R,6R,6aR)-4-(6-aminopurin-9-yl)-3'-dioxidoazaniumylidene-1',5'-dinitrospiro[3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxole-2,6'-cyclohexa-1,4-diene]-6-yl]methoxy-oxidophosphoryl]oxy-oxidophosphoryl] phosphate