A. starting materials:acetic acid, isopentyl alcohol reagent:H2SO4 B.STARTING MATERIALS: METHYL HYDROXY BENZOATE, BUTANOL C: STARTING MATERIALS: ACETIC ACID,ETHANOL REAGENT: H3 O+ Solution A. starting materials:acetic acid, isopentyl alcohol reagent:H2SO4 B.STARTING MATERIALS: METHYL HYDROXY BENZOATE, BUTANOL C: STARTING MATERIALS: ACETIC ACID,ETHANOL REAGENT: H3 O+.