You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-[4-(3-aminotriazolo[1,5-a]pyridin-4-yl)phenyl]-3-(4-ethylphenyl)propan-2-one;1-[4-(3-aminotriazolo[1,5-a]pyridin-4-yl)phenyl]-3-(4-methylphenyl)propan-2-one;1-[4-(3-aminotriazolo[1,5-a]pyridin-4-yl)phenyl]-3-[2-(trifluoromethyl)phenyl]propan-2-one by IUPAC nomenclature, provide its molecular formula.
user
C67H59F3N12O3
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