(2R,3S)-3-hydroxy-2-[2-(4-methoxybenzyloxy)ethyl]-6-propyl-2,3-dihydropyran-4-one

(R)-1-{(4R,5R)-5-[2-(4-methoxybenzyloxy)ethyl]-2,2-dimethyl-[1,3]dioxolan-4-yl}hex-2-yn-1-ol