(E)-3-(dimethylamino)-1-(1H-pyrrol-2-yl)prop-2-en-1-one

2,4-diphenylpyrimidine

Benzyl (3Z)-3-[(dimethylamino)methylene]-4-oxo-1-piperidinecarbox ylate

2,6-bis(dimethylaminomethylidene)cyclohexan-1-one

N-(dimethylaminomethylidene)formamide