Robuta

https://pubchem.ncbi.nlm.nih.gov/compound/benzo_a_pyrene Benzo[a]pyrene | C20H12 | CID 2336 - PubChem Benzo[a]pyrene | C20H12 | CID 2336 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities,... benzopyrenecidpubchem