N-methoxy-N-methyl-4-(1H-pyrrol-1-yl)butanamide

6-(1H-pyrrol-1-yl)hexan-6-one

allyl 1-ethyl-2-oxocyclopentane-1-carboxylate

tert-butyl (3-(5-ethyl-5-(3-iodopropyl)cyclopent-1-en-1-yl)propyl)carbamate

tert-butyl 7a-ethyl-2,3,5,6,7,7a,8,9-octahydrocyclopenta[e]azonine-4(1H)-carboxylate