N-(2-羟基乙基)-氨基甲酸乙酯

6-amino-5-[2-[(3-ethyl-4-oxo-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-2-yl)sulfanyl]acetyl]-1,3-dimethylpyrimidine-2,4-dione

thiocarbonic acid O-ethyl ester-S-(2-hydroxy-ethyl ester)

乙基 2-巯基乙基碳酸酯

ethyl 2-cyano-2H-pyridine-1-carboxylate