Cn1nc[nH+]c1/N=N/[O-] mol13676 0_1 Cn1[nH+]cnc1/N=N/[O-] mol13676 0_2 Cn1ncnc1/N=N/O mol13676 0_3 Cn1[nH+]c[nH+]c1/N=N/[O-] mol13676 1_1 Cn1[nH+]cnc1/N=N/O mol13676 1_2 Cn1ncnc1/N=[NH+]/O mol13676 1_3 Cn1nc[nH+]c1/N=N/O mol13676 1_4