COc1ccc2c(c1)NCCN2 mol4681 0_1 COc1ccc2c(c1)NCC[NH2+]2 mol4681 1_1 COc1ccc2c(c1)[NH2+]CCN2 mol4681 1_2 COc1ccc2c(c1)[NH2+]CC[NH2+]2 mol4681 2_1