C
9
H
8
O
2
化学式
C
9
H
8
O
2
（摩尔质量 148.17 g/mol）可能指：
肉桂酸
CAS编号：
140-10-3
4-乙烯基苯甲酸
CAS编号：
1075-49-6
同系物导航
C
9
H
10
O
2
C
8
H
6
O
2
C
9
H
8
O
2
C
10
H
10
O
2
C
9
H
6
O
2
C
9
H
8
O
C
9
H
8
O
3
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