3d image of 4-methylbenzaldehyde skeletal formula

4-methylbenzaldehyde p-tolualdehyde p-tolylaldehyde aromatic aldehyde friedel-crafts formylation gattermann-koch conditions cherry-like scent aromatic aromaticity substance matter material compound component agent stuff reagent functional group precursor synthesis reaction production building block molecule molecular formula skeletal structural structure geometry ball stick atom chemistry science scientific research organic chemical 3d isolated white background model tautomer isomer stereoisomer orbital structure activity relationship racemate