cellular contents of l-dopa , norepinephrine , ( ne ) , l-epinephrine ( epi ) , and dopamine ( da ) in differentiated cells , induced by 1 mm dibutyryl cyclic amp ( dbcamp ) , are 149 , 40 , 129 , and 124 % , respectively , higher than those in undifferentiated cells .
C0028351
norepinephrine
C0014563
epinephrine