Hygric acid, methylbetaine;Stachydrin; S-(-)-Stachydrine;Pyrrolidinium,2-carboxy-1,1-dimethyl-, inner salt, (2S)-; (S)-2-Carboxy-1,1-dimethylpyrrolidinium hydroxide inner salt;(-)-Stachydrine; Stachydrine (6CI,8CI); Cadabine;Pyrrolidinium,2-carboxy-1,1-dimethyl-, hydroxide, inner salt, (S)-; Proline betaine; Methyl hygrate betaine;1-Methylproline methylbetaine;L-Stachydrine; 

Pyrrolidinium,2-carboxy-1,1-dimethyl-, chloride, (2S)- (9CI); Stachydrine, hydrochloride(8CI); Stachydrine, chloride (6CI,7CI);Pyrrolidinium,2-carboxy-1,1-dimethyl-, chloride (1:1), (2S)-; Pyrrolidinium, 2-carboxy-1,1-dimethyl-,chloride, (S)-; Cadabine hydrochloride; 

Pyrrolidinium,2-carboxy-1,1-dimethyl-, inner salt; (?à)-Cadabine;Pyrrolidinium,2-carboxy-1,1-dimethyl-, hydroxide, inner salt (8CI); (?à)-Stachydrine; 

2-Carboxy-3-hydroxy-1,1-dimethylpyrrolidiniumhydroxide, inner salt (7CI); 3-Hydroxy-L-stachydrine; Pyrrolidinium, 2-carboxy-3-hydroxy-1,1-dimethyl-,inner salt (9CI);Pyrrolidinium,2-carboxy-3-hydroxy-1,1-dimethyl-, inner salt, (2S)-;