71922-83-3
→
~63%
69999-15-1
2,3-二氢-alpha-羟基-5-苯并呋喃乙酸
79002-44-1
Dl-α-benzyloxycarbonylamino-2,3-dihydro-5-benzo(b)furanyl acetic acid
496-16-2
2,3-二氢苯并呋喃