HCID 532498415-브로모-피라졸로[1,5-A]피리딘-3-카복실산에틸에스테르Ethyl 5-bromopyrazolo[1,5-a]pyridine-3-carboxylate · CAS 885276-93-7 · CID 53249841 · C10H9BrN2O2