ethyl 2-[5-(furan-2-yl)tetrazol-1-yl]acetate

3-[(4-chlorophenyl)methyl]-2-sulfanylidene-1,3-thiazolidin-4-one

N-[3-(叔丁氧羰氨基)丙基]氨基乙酸乙酯

ethyl (Z)-3-acetyloxybut-2-enoate

ethyl 2-(dihexylamino)acetate