[O-]c1ccc2ccccc2c1/N=N/c1[nH+]ccs1 mol2354 0_1 Oc1ccc2ccccc2c1/N=N/c1nccs1 mol2354 0_2 [O-]c1ccc2ccccc2c1/N=[NH+]/c1nccs1 mol2354 0_3 [O-]c1ccc2ccccc2c1/[NH+]=N/c1nccs1 mol2354 0_4 [O-]c1ccc2ccccc2c1/N=N/c1nccs1 mol2354 -1_1