(R)-ethyl 4-hydroxyhex-2-ynoate

ethyl (4R)-4-((tetrahydro-2H-pyran-2-yl)oxy)hex-2-ynoate

(4R,5R)-5-ethyl-4-methyltetrahydrofuran-2-ol

6-chloro-3-(2-thienyl)-2H-1,4-benzothiazine-ethanol acetate

trans-β-methyl-γ-ethyl-γ-butyrolactone