Synonyms: 3,5-Dioxa-9-thia-4-phosphapentadecan-1-aminium,4-hydroxy-N,N,N-trimethyl-10-oxo-7-[(1-oxohexyl)oxy]-, inner salt, 4-oxide(9CI); 3,5-Dioxa-9-thia-4-phosphapentadecan-1-aminium,4-hydroxy-N,N,N-trimethyl-10-oxo-7-[(1-oxohexyl)oxy]-, inner salt, 4-oxide, (?à)-