Synonyms: 3,5-Dioxa-8,11-diaza-4-phosphaheptacosan-1-aminium,4-hydroxy-N,N,N-trimethyl-10-[4-[(7-nitro-4-benzofurazanyl)amino]butyl]-9,12-dioxo-,inner salt, 4-oxide, (S)-; 2,1,3-Benzoxadiazole,3,5-dioxa-8,11-diaza-4-phosphaheptacosan-1-aminium deriv.