PHARMACEUTICAL COMPOSITIONS CONTAINING BIS(3,4-DIHYDRO-2H-1-BENZOPYRAN)DERIVATIVES FOR LOWERING BLOOD PRESSURE,CERTAIN SUCH NOVEL COMPOUNDS AND THEIR PREPARATION

摘要

[Iminobismethylene]bis [3,4-dihydro-2H-1-benzopyran-2-methanol] derivatives of formula capable of potentiating the effects of blood pressure reducing agents and novel such compounds. Compositions containing said derivatives and a blood pressure reducing agent and compositions containing said novel compounds. Processes for preparing said compositions and novel compounds.