[O-]C1=Nc2c[nH+]ccc2NC1 mol4695 0_1 [O-]C1=Nc2cnccc2[NH2+]C1 mol4695 0_2 OC1=Nc2cnccc2NC1 mol4695 0_3 [O-]C1=Nc2cnccc2NC1 mol4695 -1_1 [O-]C1=Nc2cnccc2[N-]C1 mol4695 -2_1