Abstract: Urea derivatives of formula (1) ##STR1## wherein the valuable groups are as defined in the specification, which possess both an ACAT inhibitory activity and an antioxidative activity. Those derivatives are useful in the prophylaxis and treatment of hypercholesterolemia and atherosclerosis.

Abstract: Azabicyclo derivatives of formula (I) and pharmaceutically acceptable salts thereof: ##STR1## wherein A is a group of formula (a), (b) or (c): ##STR2## wherein R.sub.1 is hydrogen, C.sub.1 -C.sub.10 alkyl, aralkyl or di(C.sub.1 -C.sub.4) alkylamino(C.sub.1 -C.sub.6)alkyl;R.sub.2, R.sub.3 and R.sub.4 may be the same or different and each is hydrogen, amino, halogen, C.sub.1 -C.sub.4 alkoxy or phthalimide;X is O or NH;R is C.sub.1 -C.sub.4 alkyl; andY is NR, O or S;having 5-HT.sub.3 receptor antagonist activity.

Abstract: Azabicyclo derivatives of formula (I) and pharmaceutically acceptable salts thereof: ##STR1## wherein A is a group of formula (a), (b) or (c): ##STR2## wherein R.sub.1 is hydrogen, C.sub.1 -C.sub.10 alkyl, aralkyl or di(C.sub.1 -C.sub.4) alkylamino(C.sub.1 -C.sub.6)alkyl;R.sub.2, R.sub.3 and R.sub.4 may be the same or different and each is hydrogen, amino, halogen, C.sub.1 -C.sub.4 alkoxy or phthalimide; X is O or NH;R is C.sub.1 -C.sub.4 alkyl; andY is NR, O or S;having 5-HT.sub.3 receptor antagonist activity.

Abstract: Disclosed are compounds of formula I ##STR1## wherein R.sub.1 is a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group, benzyl or an indolyl carbonyl group, R.sub.2 is a saturated or unsaturated 5- or 8-membered heterocyclic group containing as a hetero atom one or more nitrogen atoms, the heterocyclic group is optionally substituted at an N or C atom by a C.sub.1 -C.sub.6 alkyl or aralkyl group, n is an integer of 1 to 5 and one or more hydrogen atoms, in an alkylene chain --(CH.sub.2).sub.n -- are optionally substituted by a C.sub.1 -C.sub.6 alkyl, phenyl and/or hydroxyl group, physiologically acceptable salts and quaternary ammonium salts thereof. The compounds are selective antagonists of 5-HT.sub.3 receptors and are useful in the treatment of psychotic disorders, neurotic diseases, gastric stasis symptoms, gastrointestinal disorders, nausea and vomiting.

Abstract: A flash device in which a mechanism for shifting a light emitting section up and down and a mechanism for changing over the light distribution angle can be automatically controlled by means of a single motor and which occupies a comparatively small spacing when mounted on a camera. The flash device includes a bidirectional drive motor mounted in a body member, and a shiftable member having the light emitting section thereon. The shiftable member is shifted by rotation of the motor in either direction between a retracted inoperative position and a projected operative position. The light distribution angle of the light emitting section is changed over by continued energization of the motor after the shiftable member is moved from the inoperative to the operative position. A friction mechanism is interposed in a motion transmitting mechanism from the motor to the shiftable member.

Abstract: Compounds are described of formula (I) ##STR1## wherein R.sup.1 is a hydrogen atom, an alkyl group, an alkoxy group, a dialkylamino group or a halogen atom; n is 1 to 4; R.sup.2 is a hydrogen atom, an alkyl group, an unsubstituted or substituted aminoalkyl group, an acyl group, an unsubstituted or substituted aralkyl group, a carboxyalkyl group, an alkoxycarbonyalkyl group or ##STR2## wherein X is an unsubstituted or substituted-phenyl, -benzyl, -benzoyl or -furoyl group; A is -NR.sup.3 - where R.sup.3 is hydrogen or alkyl, an alkylene or an alkylidene; and B is a heterocyclic group selected from triazolyl, pyridyl, pyridazinyl, pyrimidinyl, pyrazinyl, benzimidazolyl, benzothiazolyl, quinolyl and isoquinolyl, said heterocyclic group being optionally substituted by one or more alkyl, alkoxy, nitro or phenyl group, and the physiologically acceptable acid addition salts thereof. The compound of formula (I) are or cardiotonic activity and thus may be useful for the treatment of circulatory diseases.