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Formaldehyde - Wikipedia
Formaldehyde | Preservative, Solution, & Exposure | Britannica
Formaldehyde | H2CO | CID 712 - PubChem
Methanal (Formaldehyde) - Essential Chemical Industry
Formaldehyde - Simple English Wikipedia, the free encyclopedia
Formaldehyde - NIST Chemistry WebBook
Methanal - (Organic Chemistry) - Vocab, Definition ... - Fiveable