Synonyms: 1-Propanaminium,N-(carboxymethyl)-3-[(12-hydroxy-1-oxo-9-octadecenyl)amino]-N,N-dimethyl-,hydroxide, inner salt, [R-(Z)]-; 1-Propanaminium,N-(carboxymethyl)-3-[[(9Z,12R)-12-hydroxy-1-oxo-9-octadecenyl]amino]-N,N-dimethyl-,inner salt (9CI); 1-Propanaminium, N-(carboxymethyl)-3-[(12-hydroxy-1-oxo-9-octadecenyl)amino]-N,N-dimethyl-,inner salt, [R-(Z)]-