Complete the drawing of the product of the diels–alder reaction, ignoring stereochemistry.

In Diels alder reaction

It's an Adduct that is fromed from the reactants

Explanation:

I.e diene + dienophile= Adduct

E.g 1,3-butadiene + ethene = cyclohexene

the old alchemists made significant contributions to science even though there starting premises were off a bit. their conclusions after failure would steer them into better directions for investigation. science is no more than close observation and the initial mistakes result in rethinking and retrying experiments.