FLB 457 [ FLB 457, (S)-isomer,FLB-457,5-bromo-N-((1-ethyl-2-pyrrolidinyl)methyl)-2,3-dimethoxybenzamide,FLB 457, (R)-isomer,FLB 457, hydrobromide, (R)-isomer,FLB 457, hydrobromide, (S)-isomer,cyclopropyl-FLB 457 ] RN given refers to parent cpd without isomeric designation; structure given in first source