N-[4-[(4-formamidophenyl)methyl]phenyl]formamide

2-(hydroxymethylidene)-4-methylbicyclo[2.2.2]oct-5-en-3-one

9-oxo-2,4-dihydro-1H-pyrrolo[2,1-b]quinazoline-3-carbaldehyde

1,3-bis(hydroxymethylidene)inden-2-one

2-甲酰基-3-甲氧基吡嗪