(1S,5R,6R)-5-羟基-7-氧杂双环[4.1.0]庚-3-烯-3-羧酸乙酯(奥司他韦杂质)

(1S,5R,6R)-5-Hydroxy-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Ethyl Ester · CAS 876014-27-6