What is the difference between n-valeric acid and isovaleric acid? What’s the difference?

properties and uses of n-valeric acid ［alias］valeric acid,valerianoxalic acid, andrographis oxalic acid. ［molecular formula］c5h10o2 ［structural formula］ch3(ch2)3cooh [properties]n-valeric acid is a colorless and transparent liquid with a putrid smell. the relative density is 0.9391 (20℃), the boiling point is 186.05℃ (101kpa), and the melting point is -34℃. flash point (open cup) 51℃, refractive index 1.4086 (20℃).…