6-methylsulfanyl-9-phenylpurine

2-iodo-6-nitro-benzoic acid methyl ester

4,4-dimethyl-1,2-diphenylpyrazolidine-3,5-dione

3-methyl-4-oxiranylmethoxy-benzo[d]isoxazole

1,4-dimethylpyrrolo[3,2-b]pyrrole