Synonyms: 14,17,19-Trioxa-2-aza-18-phosphaheneicosan-21-aminium,18-hydroxy-N,N,N-trimethyl-2-(7-nitro-4-benzofurazanyl)-13-oxo-15-[[(1-oxohexadecyl)oxy]methyl]-,inner salt, 18-oxide, (R)-; 2,1,3-Benzoxadiazole, 14,17,19-trioxa-2-aza-18-phosphaheneicosan-21-aminiumderiv.