65158-62-5
3-(hydrazinylmethyl)-1-benzofuran-2-carboxylic acid,hydrochloride
→
50266-88-1
2,3-dihydro-1H-[1]benzofuro[2,3-d]pyridazin-4-one
29115-34-2
3-溴甲基-苯并呋喃-2-羧酸乙酯