α-氯代苯乙酸乙酯

8-benzyl-1,7-dimethyl-2-thioxo-1,2,3,7-tetrahydro-6H-purin-6-one

2-benzyl-5-(N'-methyl-thioureido)-1(3)H-imidazole-4-carboxylic acid ethyl ester

(8-Benzyl-1-methyl-6-oxo-6,9-dihydro-1H-purin-2-ylsulfanyl)-phenyl-acetic acid

2-Benzyl-5a-ethoxy-5-methyl-7-phenyl-5,5a-dihydro-1H-thiazolo[2,3-b]purine-4,8-dione