对甲苯磺酸异丙酯

tetrabutylammonium 2-(methoxycarbonyl)cyclopent-1-en-1-olate

methyl 2-oxo-1-potassiocyclopentane carboxylate

tetrafluoro-l4-borane, (2,5-dimethoxyphenyl)(isopropyl)(phenyl)sulfonium salt

2-氧代环戊烷羧酸甲酯