![Chemical structure of the pine resin derivatives employed in the study. | Download Scientific Diagram Chemical structure of the pine resin derivatives employed in the study. | Download Scientific Diagram](https://www.researchgate.net/publication/351418430/figure/fig1/AS:1021187803078657@1620481553314/Chemical-structure-of-the-pine-resin-derivatives-employed-in-the-study.png)
Chemical structure of the pine resin derivatives employed in the study. | Download Scientific Diagram
![Trunk of a coniferous tree on which the tree resin has leaked and dried. Pine resin makes a good fire-lighting material for survival times / preppers Stock Photo - Alamy Trunk of a coniferous tree on which the tree resin has leaked and dried. Pine resin makes a good fire-lighting material for survival times / preppers Stock Photo - Alamy](https://c8.alamy.com/comp/PHJMG2/trunk-of-a-coniferous-tree-on-which-the-tree-resin-has-leaked-and-dried-pine-resin-makes-a-good-fire-lighting-material-for-survival-times-preppers-PHJMG2.jpg)
Trunk of a coniferous tree on which the tree resin has leaked and dried. Pine resin makes a good fire-lighting material for survival times / preppers Stock Photo - Alamy
![Trunk of a coniferous tree on which the tree resin has leaked and dried. Pine resin makes a good fire-lighting material for survival times / preppers Stock Photo - Alamy Trunk of a coniferous tree on which the tree resin has leaked and dried. Pine resin makes a good fire-lighting material for survival times / preppers Stock Photo - Alamy](https://c8.alamy.com/comp/PHJMGX/trunk-of-a-coniferous-tree-on-which-the-tree-resin-has-leaked-and-dried-pine-resin-makes-a-good-fire-lighting-material-for-survival-times-preppers-PHJMGX.jpg)