(3S,4S)-3-hexyl-4-((S)-2-((4-methoxybenzyl)oxy)tridecyl)thietan-2-one

(3S,4S)-3-hexyl-4-((S)-2-hydroxytridecyl)thietan-2-one

(S)-1-((2S,3S)-3-hexyl-4-oxothietan-2-yl)tridecan-2-yl (tert-butoxycarbonyl)-L-leucinate

(S)-(S)-1-((2S,3S)-3-hexyl-4-oxothietan-2-yl)tridecan-2-yl 2-formamido-4-methylpentanoate