What is the IUPAC name of alpha, beta-dimethyl valeric acid?

2,3-dimethyl hexanoic acid

3,4-dimethyl hexanoic acid

3,4-dimethyl pentanoic acid

2,3-dimethyl pentanoic acid

2,3-Dimethylpentanoic acid

Molecular Formula: C7H14O2

valeric acid or pentanoic acid is a straight-chain alkyl carboxylic acid with the chemical formula CH3(CH2)3COOH.