Hydroxyapatite-tricalciumphosphate composite

Formula : Ca.1/3H3-O4-P.1/2H-O.1/2O4-P
CAS : 124097-42-3 

The ratio of beta-TCP to HA is changeable; Triosite is a mixture of 60% hydroxyapatite and 40% calcium triphosphate.

Hydroxyarchaetidylinositol

Formula : C49-H99-O12-P
CAS : 134067-43-9 

Polar lipid from Methanosarcina barkeri.

Hydroxyarchaetidylserine

Formula : C46-H94-N-O9-P
CAS : 134044-67-0 

Polar lipid from Methanosarcina barkeri.