in bullfrogs , [ trp7 , leu8 ] -gnrh ( 1 nmol.kg-1 ) increased arterial norepinephrine concentration approximately 10-fold without affecting the concentrations of norepinephrine sulfate , norepinephrine glucuronide , epinephrine , epinephrine sulfate , or epinephrine glucuronide .
C0028351
norepinephrine
C0014563
epinephrine