acetic acid 3-hydroxy-4-nitro-hexyl ester

acetic acid 2-[5-bromo-4-ethyl-2-(toluene-4-sulfonyl)-1H-pyrrol-3-yl]-ethyl ester

methanesulfonic acid 2-[5-bromo-4-ethyl-2-(toluene-4-sulfonyl)-1H-pyrrol-3-yl]-ethyl ester

t-butyl 3-(3-allyloxy-3-oxopropyl)-5-formyl-4-methyl-1H-pyrrole-2-carboxylate

3-ethyl-4-[2-(mesyloxy)ethyl]-5-tosyl-1,5-dihydro-2H-pyrrol-2-one