クタン
Boom, A.; Sinninge Damsté, J.S.; de Leeuw, J.W. (2005). “Cutan, a common aliphatic biopolymer in cuticles of drought-adapted plants”. Organic Geochemistry 36 (4): 595–601. doi:10.1016/j.orggeochem.2004.10.017. ISSN 01466380.