(1R,2S,3S,4S)-3-tert-Butoxycarbonylamino-7-oxa-bicyclo[2.2.1]hept-5-ene-2-carboxylic acid ethyl ester

ethyl (1SR,2RS,3RS,4RS)-3-nitro-7-oxabicyclo[2.2.1]hept-5-ene-2-carboxylate

硫酸二乙酯

3-甲氧基苯甲酸乙酯

1-(2-Adamantylidene)-1-ethoxy-1-(3-hydroxyphenyl)methane