5,8-二甲氧基-[1,2,4]三唑[1,5-c]嘧啶-2-胺

ethyl N-carbamothioylcarbamate

乙基N-(1,3-噻唑-2-基)氨基甲酸酯

ethyl N-(5-phenyl-1,3,4-thiadiazol-2-yl)carbamate

[1,2,4]噻唑并[1,5-a]吡嗪-2-胺