the emetic action of dopamine , norepinephrine , epinephrine , nicotine , dimethylphenyl-piperazinium ( dmpp ) , and 4-m-chlorophenylcarbamoyloxy-2-butynyltrimethylammonium ( mcn-a-343 ) injected intracerebroventricularly ( i.c.v . ) to the unanesthetized cat was investigated and compared .
C0028351
norepinephrine
C0014563
epinephrine