1-(2-Butenyl)-5-ethyl-6-(3,5-dimethylphenylthio)-2,4-pyrimidinedione 、
1-Cinnamyl-5-ethyl-6-(3,5-dimethylphenylthio)-2,4-pyrimidinedione 、 1-(Methoxycarbonylallyl)-5-ethyl-6-(3,5-dimethylphenylthio)-2,4-pyrimidinedione 、 1-(Carboxyallyl)-5-ethyl-6-(3,5-dimethylphenylthio)-2,4-pyrimidinedione 、 1-(4-Chloro-2-butenyl)-5-ethyl-6-(3,5-dimethylphenylthio)-2,4-pyrimidinedione 、 1-Propargyl-5-ethyl-6-(3,5-dimethylphenylthio)-2,4-pyrimidinedione 、 1-(2-Butynyl)-5-ethyl-6-(3,5-dimethylphenylthio)-2,4-pyrimidinedione 、 1-(3-Phenyl-2-propynyl)-5-ethyl-6-(3,5-dimethylphenylthio)-2,4-pyrimidinedione 、 1-(2-Pentenyl)-5-ethyl-6-(3,5-dimethylphenylthio)-2,4-pyrimidinedione 、 1-(4-Hydroxy-2-butenyl)-5-ethyl-6-(3,5-dimethylphenylthio)-2,4-pyrimidinedione 生成 1-Allyl-5-ethyl-6-(3,5-dimethylphenylthio)-2,4-pyrimidinedione