in contrast , pertussis toxin-pretreatment had no effect on either muscarinic agonist or gtp [ s ] ( a non-hydrolysable gtp analogue ) stimulation of [ 3h ] inositol phosphate production in intact and permeabilized [ 3h ] inositol-prelabelled flow 9000 cells , respectively .
C0021554
inositol
C0021547
inositol