双四氧嘧啶

b,b-Carotene-3,3'-diol, 7,7',8,8'-tetradehydro-, (3R,3'R,cis)-

2-cis-5-(4'-hydroxy-2',2',6'-trimethylclohex-1'-enyl)-3-methylpent-2-en-4-yn-1-yltriphenylphosphonium bromide

9-trans-3-hydroxy-7,8-didehydro-12'-apo-β-caroten-12'-al