You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (6R)-N-(3-methylbut-2-enyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyridin-6-amine into its molecular formula.
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C11H18N4
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