COc1ccc2[nH]c3c(c2c1)CCN=C3C mol14503 0_1 COc1ccc2[nH]c3c(c2c1)CC[NH+]=C3C mol14503 1_1 COc1ccc2[n-]c3c(c2c1)CCN=C3C mol14503 -1_1