A pharmacological study of N-methyl-N'-(4-chlorobenzhydryl) piperazine dihydrochloride, a new antihistaminic.
D006632:Histamine; D006633:Histamine Antagonists; D000077489:Piperazine; D010879:Piperazines
D006633:Histamine Antagonists; D010879:Piperazines; D000077489:Piperazine; D006632:Histamine
HISTAMINE/antagonists