heptane-1,4,7-triol

3-(5-oxo-tetrahydro-furan-2-yl)-propionic acid ethyl ester

(S)-5-羟甲基二氢呋喃-2-酮

(S)-(+)-二氢-5-(对甲苯基磺酰氧基甲基)-2(3H)-呋喃酮

R-(-)-二氢-5-(P-甲苯基磺酰丁氧基甲基)-2(3H)-呋喃酮