Home page Chiral Reagents List (5aR,​10bS)​-​5a,​10b-Dihydro-​2-​(2,4-​nitrophenyl)​-4H,​6H-​indeno[2,​1-​b]​[1,​2,​4]​triazolo[4,​3-​d]​[1,​4]​oxazinium Tetrafluoroborate