Cn1nc(-c2ccccc2)oc1=Nc1ccccc1 mol7587 0_1 Cn1[nH+]c(-c2ccccc2)oc1=Nc1ccccc1 mol7587 1_1 Cn1nc(-c2ccccc2)oc1=[NH+]c1ccccc1 mol7587 1_2