Cyclic compounds (1)
INDAN (496-11-7, 56573-11-6)
Vinzons, officially the Municipality of Vinzons, is a 3rd class municipality in the province of Camarines Norte, Philippines. According to the 2015 census, it has a population of 43,485 people. The Calaguas Islands are part of Vinzons.
FLUORENE (2299-68-5, 86-73-7)
Fluorene , or 9H-fluorene, is a polycyclic aromatic hydrocarbon. It forms white crystals that exhibit a characteristic, aromatic odor similar to that of naphthalene. It is combustible.