[7-(trifluoromethyl)-9H-carbazol-2-yl]urea

2-[(5s)-2,4-二氧代噻唑烷-5-基]乙酸酯

5-(6-oxo-3-phenylpyridazin-1-yl)pentylurea

6-(6-oxo-3-phenylpyridazin-1-yl)hexylurea

2-(6-oxo-3-phenylpyridazin-1-yl)ethylurea