Diterpenes
Labdane-type and related compounds (2101~)
Irieane-type compounds (2201~) Laurencia irieii E. Y. Dawson
Neoirieane-type compounds (2301~)
Parguerane-type and related compounds (2401~)
Isoparguerane-type and related compounds (2501~)
Deoxyparguerane-type and related compounds (2601~)
Miscellaneous diterpenes (2701~)