Oc1c(Cc2ccccc2)c(-c2ccccc2)nn1-c1ccccc1 mol15303 0_1 [O-]c1c(Cc2ccccc2)c(-c2ccccc2)[nH+]n1-c1ccccc1 mol15303 0_2 [O-]c1c(Cc2ccccc2)c(-c2ccccc2)nn1-c1ccccc1 mol15303 -1_1