colesterol
Delta-5-colesten-3-B-ol

7-dehidrocolesterol
delta-5,7-colastedien-3-bol

colecalciferol (vitamina D3)
Delta-5,7,10,19-colestatrueb-3-bol

Ergosterol
delta-5,22-colestendien-24-metil-3Bol