File:3-(2-Furyl)-2,4-dioxaspiro(5.5)undec-8-ene.png - Wikipedia

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File:3-(2-Furyl)-2,4-dioxaspiro(5.5)undec-8-ene.png - Wikipedia
Pilt:Madarines white bg.jpg – Wikipedia
File:3-(2-Furyl)-2,4-dioxaspiro(5.5)undec-8-ene.png - Wikipedia
File:2,4-DB.png - Wikipedia
File:3-(2-Furyl)-2,4-dioxaspiro(5.5)undec-8-ene.png - Wikipedia
2,4,8,10-Tetraoxaspiro(5.5)undecan – Wikipedia
File:3-(2-Furyl)-2,4-dioxaspiro(5.5)undec-8-ene.png - Wikipedia
3,9-Divinyl-2,4,8,10-tetraoxaspiro[5.5]undecane 98.0 %, TCI
File:3-(2-Furyl)-2,4-dioxaspiro(5.5)undec-8-ene.png - Wikipedia
1883-75-6, Furan-2,5-diyldimethanol
File:3-(2-Furyl)-2,4-dioxaspiro(5.5)undec-8-ene.png - Wikipedia
Category:Cyclohexenes - Wikimedia Commons
File:3-(2-Furyl)-2,4-dioxaspiro(5.5)undec-8-ene.png - Wikipedia
FD144048, 4728-12-5
File:3-(2-Furyl)-2,4-dioxaspiro(5.5)undec-8-ene.png - Wikipedia
Category:Spiro compounds - Wikimedia Commons
File:3-(2-Furyl)-2,4-dioxaspiro(5.5)undec-8-ene.png - Wikipedia
2,3-Difluoro-6-nitrophenol 98 82419-26-9
de por adulto (o preço varia de acordo com o tamanho do grupo)