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1-(2-Nitrophenylmethyl)-2-pyrrolecarboxaldehyde

3-Propylidenephthalide

5-Carboethoxy uracil

8-Iodo-4-chromanone

5-Methoxy-4-chromanone

(S)-4-(4-Hydrazinobenzyl)-2-oxazolidinone

5-Cyano-6-cyclohexyl-2-thiouracil

5-Nitroisatoic anhydride

2-Sulfobenzoic acid cyclic anhydride

5-Hydroxy-2-(4-hydroxyphenyl)-7-methoxychroman-4-one