C2H4O2 may refer to:
Compounds sharing the molecular formula: Acetic acid Dihydroxyethene isomers: 1,1-Dihydroxyethene (E)-1,2-Dihydroxyethene (Z)-1,2-Dihydroxyethene Dioxetane isomers: 1,2-Dioxetane 1,3-Dioxetane Glycolaldehyde Methyldioxirane Methyl formate Oxiranol
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).