alk造句
SynthesisoftheNewPhase-transferCatalyst-N-alkylQuaternaryPhosphoniumSaltsandApplicationinFluorinationofAromaticCompounds;Sheexplainsthatalkphosphatasevaguelysuggestingthatthereissomethingwrongwithyour...
SynthesisoftheNewPhase-transferCatalyst-N-alkylQuaternaryPhosphoniumSaltsandApplicationinFluorinationofAromaticCompounds;Sheexplainsthatalkphosphatasevaguelysuggestingthatthereissomethingwrongwithyour...