C
2
H
4
O
化学式
C
2
H
4
O
可能指：
乙醛
CAS：
75-07-0
乙烯醇
CAS：
186435-90-5
环氧乙烷
CAS：
75-21-8
同系物导航
C
2
H
6
O
CH
2
O
C
2
H
4
O
C
3
H
6
O
C
2
H
2
O
C
2
H
4
C
2
H
4
O
2
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