13391-28-1
5-甲氧基苯并呋喃
→
~6%
77440-98-3
+
77440-95-0
chloro-2 methoxy-5 benzofuranne
77440-97-2
4-氯-5-甲氧基苯并呋喃
77440-96-1
3-氯-5-甲氧基苯并呋喃