1 2 the pair of position isomers Et COOH OH 3 4 Both 1 and 2

Last updated: 7/3/2023

1 2 the pair of position isomers Et COOH OH 3 4 Both 1 and 2 and and CICIE OH H C C C COOH C C C 8 2 6 2 and Et C C CC C C C C C