Dimethyl acetylenedicarboxylate

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What Wikipedia says

Dimethyl acetylenedicarboxylate (or dimethylacetylenedicarboxylate) (DMAD) is an organic compound with the formula CH3O2CC2CO2CH3. It is a di-ester in which the ester groups are conjugated with a C-C triple bond.

Excerpt from the Wikipedia article “Dimethyl acetylenedicarboxylate”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

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