The Diels-Alder reaction is a stereospecific reaction known as a syn addition reaction with respect to both the diene and the dienophile. Draw the possible stereoisomeric Diels-Alder adducts (before rearrangement) and clearly indicate which are enantiomers and which are diastereomers
2,4-hexadienol
maleic anhydride
toluene, $$\Delta$$
Diels-Alder cycloadduct
rearranged product