COc1cccc2c1-c1c3c(OC)cccc3nc3cccc(c13)N2C mol26756 0_1 COc1cccc2c1-c1c3c(OC)cccc3nc3cccc(c13)[NH+]2C mol26756 1_1 COc1cccc2c1-c1c3c(OC)cccc3[nH+]c3cccc(c13)N2C mol26756 1_2