Robuta

https://pubchem.ncbi.nlm.nih.gov/compound/N_-_2_4-Dihydroxybenzylidene_cyclohexanecarbohydrazide N'-(2,4-Dihydroxybenzylidene)cyclohexanecarbohydrazide - PubChem N'-(2,4-Dihydroxybenzylidene)cyclohexanecarbohydrazide chemical information summary. npubchem