HPLClabelingreagentfore.e.determ;(R)-(-)-NBD-APY [=(R)-(-)-4-NITRO-7-(3-AMINOPYRROLIDIN-1-YL)-2,1,3-BENZOXADIAZOLE];(R)-(-)-NBD-APY;(R)-(-)-1-(7-NITRO-4-BENZOFURAZANYL)-3-PYRROLIDINAMINE;(R)-(-)-4-(3-AMINOPYRROLIDINO)-7-NITROBENZOFURAZAN;(R)-(-)-4-NITRO-7-(3-AMINOPYRROLIDIN-1-YL)-2,1,3-BENZOXADIAZOLE;(R)-(-)-4-NITRO-7-(3-AMINOPYRROLIDIN-1-YL)BENZOFURAZAN;(R)-(-)-NBD-APy [=(R)-(-)-4-Nitro-7-(3-aminopyrrolidin-1-yl)-2,1,3-benzoxadiazole] [HPLC Labeling Reagent for e.e. Determination]