片语
benzoxazine resin苯并口恶嗪树脂
benzoxazine intermediate苯并恶嗪中间体
benzoxazine-imide resin苯并恶嗪亚胺树脂
benzoxazine contain nitrile functionalities腈基苯并恶嗪
benzoxazine precursors苯并恶嗪中间体
-benzoxazine[有化] 苯并恶嗪
benzoxazine derivative苯并恶嗪衍生物
brominated benzoxazine溴化苯并恶嗪
benzoxazine enantiomers苯并恶嗪对映体