α,α-Bis(1-methyl-4-trifluoromethyl-5-pyrazolyl)benzyl benzoate and α-(1-methyl-4-trifluoromethyl-3-pyrazolyl)-α-(1-methyl-4-trifluoromethyl-5-pyrazolyl)benzyl benzoate: an investigation into the direction of diazomethane addition to α,α-bis(3,3,3-trifluoropropynyl)benzyl benzoate

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