methyl 2-((1S,2R,3R,4R,5R)-3-(((4-methoxybenzyl)oxy)methyl)-4-methyl-6-oxabicyclo[3.1.0]hexan-2-yl)acetate

methyl 2-((1R,2R,3R,4R,5S)-3-(((4-methoxybenzyl)oxy)methyl)-4-methyl-6-oxabicyclo[3.1.0]hexan-2-yl)acetate