3,3A,6,6A-四氢-2H-环戊二烯并[b]呋喃-2-酮

1-环戊烯-1-基乙酸酯

rel-(1R,2R)-2-(benzyloxy)-1-cyclopentanol

(1R,2R,3R,5R,6R)-2-azido-3-(2-cyclopentenyloxy)-6-fluorobicyclo[3.1.0]hexane-2,6-dicarboxylic acid 2-benzyl 6-ethyl ester

cis-2-(4-nitrophenoxy)-6-oxabicyclo<3.1.0>hexane