ethyl 3-(dimethylamino)-2-oxo-3-sulfanylidenepropanoate

N,N,4,4-tetramethyl-3-oxopentanamide

4-(dimethylamino)-2-methoxyoxane-3,5-diol

4-bromo-N,N-dimethylbenzenecarbothioamide

1,1-dimethyl-3-(1-quinolin-2-ylethylideneamino)thiourea