ethyl 4-methyl-5-(1H-1,2,4-triazol-1-yl)-2-((triphenylphosphoranylidene)amino)thiophene-3-carboxylate

ethyl 4-methyl-2-(((phenylimino)methylene)amino)-5-(1H-1,2,4-triazol-1-yl)thiophene-3-carboxylate

ethyl 4-methyl-2-(((m-tolylimino)methylene)amino)-5-(1H-1,2,4-triazol-1-yl)thiophene-3-carboxylate

ethyl 2-((((4-chlorophenyl)imino)methylene)amino)-4-methyl-5-(1H-1,2,4-triazol-1-yl)thiophene-3-carboxylate

三苯基氧化膦