2-溴吡啶-4-甲酸甲酯

四苯硼钠

methyl 2-allyl-4-phenyl-2-tosylpent-4-enoate

(2R,3R,4S,5R,6S)-2-((benzyloxy)methyl)-6-methoxytetrahydro-2H-pyran-3,4,5-triyl triacetate