(3R)-四氢呋喃-3-基对甲苯磺酸酯

methyl 3α,6α-ditosyloxy-5β-cholan-24-oate

2-benzyloxycarbonyl-1-(4-methylphenylsulfonyl)hydrazine

(S)-2,4-dihydroxybutyl 4-methylbenzenesulfonate

4-(methoxycarbonyl)phenyl 4-methylbenzenesulfonate