A compound A obtained from jasmine oil has the molecular formula C11H16O. A is decomposed by ozonation to give propanol and compound B (C8H10O4), which is decomposed in the presence of an oxidizing agent to give malonic acid and Compound C (C5H8O3). c is treated with bromine in the presence of sodium hydroxide, then there is brominated imitation and succinic acid produced. Give the structural formula of A.