N,N,9-trimethylpurin-6-amine

6-氯-9-甲基嘌呤

1,9-二氢-9-甲基-6H-嘌呤-6-硫酮

5-Hydroxy-2-octencarbonsaeure-lacton

7-氯-3-甲基-3H-1,2,3-噻唑并[4,5-D]嘧啶