2-Acrylamido-2-methylpropanesulphonic acid (CAS RN 15214-89-8) or its sodium salt (CAS RN  5165-97-9), or its ammonium salt (CAS RN  58374-69-9)
Restriction on entry into free circulation
condition:B,certificate:9009,action:29|condition:B,certificate:9010,action:29|condition:B,certificate:9017,action:26|condition:B,action:09