<prompt> Inverse agonist of benzodiazepine receptor is:PhenobarbitoneFlumazenilBeta carbolineGabapentin  <response>: Flumazenil is competitive BZD - antagonist ,while dimethoxyethyl-carbomethoxy-b caboline DMCM which is a BZD inverse agonist inhibits GABA action are rare convulsant. Ref: KD Tripathi 8th ed. 