2,5-二乙基-1,3-噁唑-4-羧酸乙酯

diethyl 2-(carbamothioylhydrazinylidene)propanedioate

trimethyl(naphthalen-1-yl)silane

ethyl 3,5-bis(sulfanylidene)-2H-1,2,4-triazine-6-carboxylate

甲基2-亚甲基环丁烷羧酸酯