Synonyms: Choline,hydroxide, dihydrogen phosphate, inner salt, ester with 2-aceto-1-nonanoin, DL-(8CI); Acetin, 1-nonano-2-, dihydrogen phosphate monoester with cholinehydroxide, inner salt, DL- (8CI); Nonanoin, 2-aceto-1-, dihydrogen phosphatemonoester with choline hydroxide, inner salt, DL- (8CI)