![](//file1.lookchem.com/300w/synthetic/2022-01-26-05/70738ef9-833b-4f50-91a8-40bbbe00a908.png)
![](//file1.lookchem.com/300w/synthetic/2022-02-01-11/bd0af399-054d-44ec-86a2-051278714f7b.png)
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![](//file1.lookchem.com/300w/synthetic/2022-01-31-09/dcd638ae-45ac-4599-b5eb-7c81bc327c51.png)
- Name:1,4-Dioxin
- Cas:290-67-5
- Formula:C4H4O2
- Synonyms:p-Dioxin(6CI,7CI,8CI); 1,4-Dioxacyclohexa-2,5-diene
![](//www.lookchem.com/300w/2010/078/289-87-2.jpg)
![](//www.lookchem.com/300w/2010/078/28755-65-9.jpg)
![](//file1.lookchem.com/300w/synthetic/2022-01-23-09/c9940fdb-01d0-4328-b531-a354632c6dd3.png)
- Name:malealdehyde
- Cas:2363-83-9
- Formula:C4H4O2
- Synonyms:1,2-Ethenedicarboxaldehyde;2-Butene-1,4-dione; Butenedial
![](//file1.lookchem.com/300w/substances/2022-04-17-04/58626756-9b5c-4b13-861d-6f7d7e76639e.png)
![](//file1.lookchem.com/cas/reactions/2021/11/15/105220.png)
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