C
5
H
4
O
2
化学式
C
5
H
4
O
2
可能指:
糠醛
(呋喃甲醛) CAS#
98-01-1
原白头翁素
CAS#
108-28-1
吡喃酮
α-吡喃酮
(2-吡喃酮) CAS#
504-31-4
γ-吡喃酮
(4-吡喃酮) CAS#
108-97-4
3-糠醛
CAS#
498-60-2
同系物导航
C
5
H
6
O
2
C
4
H
2
O
2
C
5
H
4
O
2
C
6
H
6
O
2
C
5
H
2
O
2
C
5
H
4
O
C
5
H
4
O
3
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