| 1-dimethylcarbamoyl-4-(2-sulfoethyl)pyridinium inner salt |
| 1-(N,N-Dimethylcarbamoyl)-4-(2-sulfoethyl)pyridinium hydroxide inner salt |
| 1-(Dimethylcarbamoyl)-4-(2-sulfoethyl)pyridinium Hydroxide Inner Salt |
| 2-[1-(Dimethylcarbamoyl)-4-pyridinio]ethylsulfonate |
