1) N-3-(2-Oxocycloalkyl)propi-onyl-2-thioxothiazolidine-4-carboxylic ethyl ester N-3-(2-氧代环烷基)丙酰-2-硫代四氢噻唑-4-羧酸乙酯2) (R)-N-3-(2-oxocycolhexyl)propionylthiazolidine-2-thione-4-carboxylic ethyl ester (R)-N-3-(2-氧代环己基)丙酰四氢噻唑2-硫酮-4-羧酸乙酯...