Table 1. The structures of compound 7, 11, and 14.

Compound	Structure name
compound7	N-[[5,6-dimethyl-4-(1-phenyltetrazol-5-yl)sulfanylthieno[3,2-e]pyrimidin-2-yl]methyl]-N-ethylethanamine
compound11	7-chloro-4-[1-(2-methylphenyl)tetrazol-5-yl]sulfanylquinoline
compound14	4-[1-(2,6-dimethylphenyl)tetrazol-5-yl]sulfanylthieno[3,2-d]pyrimidine