![4H-benzo[1,3]dioxin-5,6-dicarboxylic acid-anhydride|4H-Benzo[1,3]dioxin-5,6-dicarbonsaeure-anhydrid 855224-25-8 wiki 4H-benzo[1,3]dioxin-5,6-dicarboxylic acid-anhydride|4H-Benzo[1,3]dioxin-5,6-dicarbonsaeure-anhydrid 855224-25-8 wiki](https://structimg.guidechem.com/12/48/4741667.png)
4H-benzo[1,3]dioxin-5,6-dicarboxylic acid-anhydride|4H-Benzo[1,3]dioxin-5,6-dicarbonsaeure-anhydrid 855224-25-8 wiki
![History_of_Geology on X: "July 12, 1976, despite being informed of a serious leak of toxic dioxin at a chemical plant in the Italian town of #Seveso, Roche industries keeps quiet, resulting in History_of_Geology on X: "July 12, 1976, despite being informed of a serious leak of toxic dioxin at a chemical plant in the Italian town of #Seveso, Roche industries keeps quiet, resulting in](https://pbs.twimg.com/media/E6HdGx_XoAEX39Q.jpg)
History_of_Geology on X: "July 12, 1976, despite being informed of a serious leak of toxic dioxin at a chemical plant in the Italian town of #Seveso, Roche industries keeps quiet, resulting in
![History_of_Geology on X: "July 12, 1976, despite being informed of a serious leak of toxic dioxin at a chemical plant in the Italian town of #Seveso, Roche industries keeps quiet, resulting in History_of_Geology on X: "July 12, 1976, despite being informed of a serious leak of toxic dioxin at a chemical plant in the Italian town of #Seveso, Roche industries keeps quiet, resulting in](https://pbs.twimg.com/media/E6HdFe7WQAgpRc1.jpg)