... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > organic fundamental parent > hydrocarbon > terpene > tetraterpene > carotene > cyclic carotene > alpha-carotene

... > chemical entity > molecular entity > polyatomic entity > heteroatomic molecular entity > hydrides > organic hydride > organic fundamental parent > hydrocarbon > terpene > tetraterpene > carotene > cyclic carotene > alpha-carotene

... > chemical entity > molecular entity > main group molecular entity > s-block molecular entity > hydrogen molecular entity > hydrides > organic hydride > organic fundamental parent > hydrocarbon > terpene > tetraterpene > carotene > cyclic carotene > alpha-carotene

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > isoprenoid > terpene > tetraterpene > carotene > cyclic carotene > alpha-carotene

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > lipid > isoprenoid > terpene > tetraterpene > carotene > cyclic carotene > alpha-carotene

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > isoprenoid > terpenoid > tetraterpenoid > carotenoid > carotenoid beta-end group > alpha-carotene

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > lipid > isoprenoid > terpenoid > tetraterpenoid > carotenoid > carotenoid beta-end group > alpha-carotene