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. Author manuscript; available in PMC: 2023 Jan 18.
Published in final edited form as: Environ Sci Technol. 2022 Jan 5;56(2):1162–1173. doi: 10.1021/acs.est.1c06990

Figure 1.

Figure 1.

Analytical workflow for sample analysis (left) and chemical structures identified in anti-fog products (right). A represents FTOHs, B represents FTEOs, C represents fluorotelomer ethers, D represents fluorotelomer fumarates, and E represents FTEO ethers. Compounds were identified with n as 6, 8, 10, 12, 14, or 16; n2 as 6, 8, or 10; n3 as 6; and x ranging from 1 to 8 via GC–MS analysis and from 2 to 13 via LC-MS analysis.