Compatability chemistry of acid-alkaline pair medicine of Dahuang and Huangbai in Dahuangxiaoshi decoction Compatability chemistry of acid-alkaline pair medicine of Dahuang and Fuzi in Dahuang Fuzi decoction Research on compatibility chemistry of acid-alkaline pair medicines in formulas of traditional Chinese medicine Compatability chemistry of acid-alkaline pair medicine of Dahuang and Fuzi in Dahuang Fuzi decoction Compatibility chemistry of acid-alkaline pair medicine of Dahuang and Huangbai in Dahuang Xiaoshi decoction Compatability chemistry of acid-alkaline pair Medicine of mahuang and gancao in Maxing Ganshi decoction Chemical structure of complexes formed by acid and alkaline components of pair medicines in decoction Studies on Chemical structure of complexes compounds formed by acid and alkaline components of pair medicines in decoction Compatability chemistry of acid-alkaline pair medicine of Fuzi and Gancao in Sini decoction