the concentrations of the barbiturates used were : barbitone 3.1 x 10 ( -2 ) m , phenobarbitone 3.15 x 10 ( -3 ) m , pentobarbitone 6.04 x 10 ( -4 ) m , thiopentone 1.89 x 10 ( -4 ) m .
C0004745
barbiturates
C0030883
pentobarbitone