ddpachemical
Diphenylphosphorylazide(DPPA)isanorganiccompound.Itiswidelyusedasareagentinthesynthesisofotherorganiccompounds.,ThechemicalformulaforDDPAis(C6H5)2PO-N3,indicatingthepresenceofaphosphorusatombondedtotwophenylgroupsandanazidegroup.Synthesisand ...,Diphenylphosphorylazide|C12H10N3O3P|CID123414-structure,chemicalnames,physicalandchemicalproperties,classification,patents,literature, ...,225-897-8[E...

Google 蘋果 2016 年熱門下載 APP 與遊戲有哪些?你也有下載了嗎?
還記得當初剛開始用iPhone智慧型手機的時候,每天拿起手機第一件事情就是開啟AppStore,看看有那些熱門的APP與遊戲,或是限時免費的好康,成為每天玩手機的樂趣之一,如今已經沒有像當初那麼熱忱,AppStore都是...