Abstract: An image forming apparatus includes an image forming portion, a belt, a plurality of stretching rollers including an inner roller and an upstream roller, an outer member, an urging member, a first position changing mechanism, a storing portion, a controller, and an operating portion. The controller controls the first position changing mechanism on the basis of a kind of a recording material on which an image is formed, first set information stored in the storing portion, and first input information for changing setting of a position of the urging member inputted to the controller through the operating portion.

Abstract: A compound of the formula (I): wherein X1 is bond or —OCH2—; X2 is —(CH2)n—, in which n is 1, 2 or 3; X3 is bond, —O—, —S—, —OCH2—, or —NH—; R1 is phenyl or pyridyl each of which may have one or two substituent(s) selected from the group consisting of hydroxy, halogen, etc.; R2 is hydrogen, (lower)alkoxycarbonyl, etc.; R3 is hydroxy(lower)alkyl; halo(lower)alkyl, etc.; R4 is aryl or unsaturated heterocyclic group, each of which may have one or two substituent(s) selected from the group consisting of lower alkyl, hydroxy, carbamoyl, halogen, lower alkoxy, etc.; and a salt thereof which is useful as a medicament.

Abstract: Efficacious remedies for male sterility which are in the form of preparations containing as the active ingredient an adenosine A1 antagonist.

Abstract: A compound of the formula (I): 1

Abstract: The present invention relates to a pharmaceutical composition for the prevention and/or the treatment of anemia in a human being or an animal which comprises, as an active ingredient, a pyrazolopyridine compound of the following formula: ##STR1## wherein R.sup.1 is lower alkyl, etc,R.sup.2 is a group of the formula: ##STR2## (wherein R.sup.4 is protected amino, etc andR.sup.5 is hydrogen, etc); etc, andR.sup.3 is hydrogen, etc,or a pharmaceutically acceptable salt thereof in admixture with a pharmaceutically acceptable carrier or excipient, etc.

Abstract: The invention relates to a method for improving inner ear microcirculation, which comprises administering an effective amount of a dihydropyridine compound of the general formula: ##STR1## wherein R.sup.1 is a nitrophenyl group; and R.sup.2, R.sup.3 and R.sup.4 each is a lower alkyl group, or a pharmaceutically acceptable salt thereof to a human or animal.