(5S,10aS,12S,13aR,Z)-12-(methoxymethoxy)-5-methyl-6,7,8,10a,11,12,13,13a-octahydrocyclopenta[e][1]oxacyclododecine-1,3(2H,5H)-dione

(1R,2S,4S)-4-(methoxymethoxy)-2-vinylcyclopentanecarboxylic acid

(S)-hept-6-en-2-yl 3-((1R,2S,4S)-4-(methoxymethoxy)-2-vinylcyclopentyl)-3-oxopropanoate

(S,E)-ethyl 6-bromo-5-(methoxymethoxy)hex-2-enoate

ethyl (1R,2S,4S)-4-(methoxymethoxy)-2-vinylcyclopentanecarboxylate