Abstract: A triterpenyl ester of organic acid other than triterpenyl esters of ferulic acid and of monobasic and dibasic saturated fatty acids. A process for producing a triterpenyl ester of organic acid other than esters of ferulic acid and of monobasic and dibasic saturated fatty acids, which comprises the reaction of a triterpenyl alcohol with an acid halide of the corresponding organic acid. A pharmaceutical composition for treatment of hyperlipidemia comprising a pharmaceutical carrier and an effective amount of a triterpenyl ester of organic acid other than triterpenyl esters of dibasic saturated fatty acids. A pharmaceutical composition for treating hyperlipidemia which comprises a pharmaceutical carrier and an effective amount of cyclobranol as an active ingredient.

Abstract: An improving and therapeutic agent for neuropsychiatric symptoms accompanying dementia, which comprises, as an active ingredient, an acyloxyalkanoylcholine salt represented by the following general formula: ##STR1## wherein R.sup.1 and R.sup.2, which may be the same or different, represent lower alkyl groups of 1 to 5 carbon atoms; X represents a sulfonic acid residue; and n is the same as the number of the sulfonyloxy groups of the sulfonic acid residue and represents an integer of 1 to 4.

Abstract: A pharmaceutical composition comprising an amount, effective for inhibiting platelet aggregation, of guanosine monophosphate represented by the following formula ##STR1## wherein one of X, Y and Z represents a H.sub.2 PO.sub.3 group and the remaining two of these represent a hydrogen atom,or a pharmaceutically acceptable salt thereof and a pharmaceutically acceptable diluent or carrier.