基本解釋[化學(xué)]吡定季銨鹽詞組短語(yǔ)短語(yǔ)porphyrin pyridine quaternary ammonium salt 卟啉吡啶季銨鹽pyridine quaternary ammonium salt更多詞組專業(yè)釋義化學(xué)吡定季銨鹽