Robuta

https://www.ebi.ac.uk/chebi/CHEBI:229775 4-oxocyclohex-2-ene-1-carboxylic acid (CHEBI:229775) A cyclohexenecarboxylic acid that is 4-oxocyclohexanecarboxylic acid carrying a double bond at position 2. 2 enecarboxylic acid41chebi https://www.preprints.org/manuscript/202605.0093 3-(Diphenylamino)-4-Ethoxycyclobut-3-Ene-1,2-Dione[v1] | Preprints.org The title compound 3-(diphenylamino)-4-ethoxycyclobut-3-ene-1,2-dione (6), was prepared by reaction of diphenylamine (2) with diethyl squarate (DES; 5) as part... ene 134