two derivatives of cyclic amp ( dibutyryl cyclic amp and 8-bromo cyclic amp ) were unable to block the dopamine ( 1mum ) inhibition of prolactin secretion , although 8-bromo cyclic amp ( 2mm ) significantly stimulated prolactin secretion and both compounds increased somatotropin ( growth hormone ) release .
C0001455
cyclic amp
C0012054
dibutyryl cyclic amp