“(+)-PD128,907 and quinelorane, but not (-)-quinpirole or the other DAergic agents examined, attenuated the antinociceptive effects of spiradoline in a dose- and time-dependent manner.”
“The diuretic effects of spiradoline were attenuated by 7-OH-DPAT, (+)-PD128,907, quinelorane, and (-)-quinpirole , and this attenuation was reversed by spiperone.”