3-(2-fluoro-4-hydroxyphenyl)-1,1-dimethylurea

噻吩并[2,3-b]吡啶-6-甲腈

5,5-diethoxy-N,N-dimethylpent-2-ynamide

1,1-dimethyl-3-[4-(6-oxo-3-phenylpyridazin-1-yl)butyl]urea

1,1-dimethyl-3-[5-(6-oxo-3-phenylpyridazin-1-yl)pentyl]urea