You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-(1-benzylpiperidin-4-yl)-5-methylthieno[2,3-d]pyrimidin-4-amine;N-(1-benzylpiperidin-4-yl)-5-phenylthieno[2,3-d]pyrimidin-4-amine;N-(1-benzylpiperidin-4-yl)thieno[2,3-d]pyrimidin-4-amine;N-[1-[1-(3-fluorophenyl)ethyl]piperidin-4-yl]-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-amine;methane;N-methyl-N-(1-methylpiperidin-4-yl)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-amine;2-[4-[(5-phenylthieno[2,3-d]pyrimidin-4-yl)amino]piperidin-1-yl]-5-(trifluoromethyl)pyridin-3-ol .
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C125H141F4N25OS6
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