methyl 6-chloro-3-methylene-5-oxohexanoate

2-(chloromethyl)-6-methoxy-4-methylpyridine

2-氰基苯并噻吩

2-methylsulfanylpyrazolo[1,5-a]pyridine-3-carbonitrile

2-phenylprop-1-ene-1,1,3-tricarbonitrile