Methoxyanigorufone (compound 4) is a compound that can be isloated from Musa acuminata var. "Yangambi km 5"[1].
Definition
ChEBI: 2-Methoxy-9-phenyl-1H-phenalen-1-one is a ring assembly, a member of benzenes and a member of naphthalenes.
References
[1] Otálvaro F, et al. Phenalenone-type compounds from Musa acuminata var. "Yangambi km 5" (AAA) and their activity against Mycosphaerella fijiensis. J Nat Prod. 2007 May;70(5):887-90. DOI:10.1021/np070091e