[(2Z)-2-(3-乙基-1,3-苯并噻唑-2(3H)-亚基)亚乙基]丙二腈

2-[chloro-(4-nitrophenyl)methylidene]propanedinitrile

4,6-diamino-1-methylpyrimidine-2-thione

2-chromen-2-ylidenepropanedinitrile

2-amino-4-oxochromene-3-carbonitrile