(R)-3-(2-chloro-5-nitrophenyl)-2-tosyl-1,2-oxaziridine

3'-phenylspiro[fluorene-9,4'-[1,5,2]oxathiazole] 5'-oxide

2,2,4,5-tetra-p-tolyl-2,5-dihydrooxazole

氯化铝

phenyliodonium bis(phenylsulfonyl)-methylide