furthermore , a431 cells were found to contain strikingly high basal levels of two other inositol phosphates , presumably inositol pentakisphosphate ( insp5 ) and inositol hexakisphosphate ( insp6 ) , representing more than 50 % of the total 3h radioactivity incorporated into inositol phosphates .
C0031855
inositol hexakisphosphate
C0021554
inositol