Abstract: A bandage for forming a stiffening or supporting cast comprising a carrier material and a composition thereon. The material includes a gas permeable flexible fabric-like base of the usual kind. The composition comprises (a) 55-97% by weight of gypsum, burnt, (b) 1-30%, preferably 3-30%, by weight of a highly crosslinked, finely dispersed poly-vinyl ester powder, which powder is more than 50% insoluble in ethyl-acetate, and (c) 0-12%, preferably 3-12%, by weight of a light weight cellular or porous filler having a bulk density of up to 0.1 g/cc.

Abstract: Compounds of the formula: ##STR1## (wherein R.sub.1 represents a chlorine atom or a methoxy or cyano group;R.sub.2 represents a hydrogen atom or a methyl or hydroxy group;m is 2, 3 or 4; andn is 1 or 2)And their physiologically acceptable acid addition salts have blood pressure reducing properties and may be used in the treatment of patients.