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Ethyl 4-hydroxybut-2-ynoate

Methyl 2-acetyl-3-methylbut-2-enoate

Diethyl 2-phenylsuccinate

Ethyl 3-cyclopentylpropiolate

5-Heptynoic acid

Ethyl 4-(1h-indazole-3-carboxamido)benzoate

5-(2-Methylpropyl)-4-oxazolecarboxaldehyde

4-(6-Hydroxy-3-oxo-3h-xanthen-9-yl)-1,3-benzenedicarboxylic acid

4-Methoxycyclohexanecarboxaldehyde

Boc-ala-d-glu(obzl)-nh2