Albocycline K3 is a melanogenesis inhibitor of microbial origin[1].
References
[1] Takamatsu S, et al. A new inhibitor of melanogenesis, albocycline K3, produced by Streptomyces sp. OH-3984. J Antibiot (Tokyo). 1996 May;49(5):485-6. DOI:10.7164/antibiotics.49.485
