| skos:altLabel | - S
- Oxalate
- oxalate
- oxalates
- '''O'''xalic
- (COOH)<sub>2</sub>
- C<sub>2</sub>H<sub>2</sub>O<sub>4</sub>
- HOOCCOOH
- Oxalic Acid
- hemioxalate
- oxalic
- oxalic acid
- oxalic acid dihydrate
- oxalic acid diphenyl ester
- oxonic acid
- the sensitizer chemicals can be quite toxic
- H<sub>2</sub>C<sub>2</sub>O<sub>4</sub>ยท2H<sub>2</sub>O
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