tetrahydropalmatine [ (+-)-isomer of tetrahydropalmatine,(R)-isomer; corydalis B of tetrahydropalmatine,(S)-isomer of tetrahydropalmatine,5,8,13,13a-tetrahydro-2,3,9,10-tetramethoxy-6H-dibenzo(a,g)quinolizine,HCl of tetrahydropalmatine,HCl(+-)-isomer of tetrahydropalmatine,HCl(R)-isomer of tetrahydropalmatine,HCl(S)-isomer of tetrahydropalmatine,Rotundium,corydalis B,gindarin,rotundine,tetrahydropalmitine ] RN given refers to parent cpd without isomeric designation