Abstract: Novel compounds of the general formula ##STR1## where R represents an optionally substituted aryl or heteroaryl group; X represents a hydrogen atom or an amino group or an optionally substituted alkyl, aryl or heteroaryl group; and Z represents a hydrogen atom or alkanoyl group; are fungicidal.

Abstract: A toy of the type which is designed to be tossed, thrown, or sailed through the air by hand includes a circular, lightweight plastic or rubber disc and a plurality of surface configuration modifying structures which may be selectively secured to the disc to predictably affect the aerodynamics around the disc during flight. The disc is self-supporting and has a centrally positioned circular opening therethrough. The flight altering structures include a funnel-type device, cup-shaped device, and a pair of fins. The funnel device and the cup-shaped device are selectively attached to one side of the disc in a position centered with respect to the circular opening. The fins are attached to opposing peripheral edges of the disc.

Abstract: A respiration system for weaning patients from a respirator wherein a mandatory ventilation assist is provided to the patient upon inspiration after predetermined time intervals. A sensitivity mechanism for sensing inspiration by the patient and for actuating the mandatory ventilation assist is desensitized or rendered inoperative during a predetermined time interval in which the patient will be required to breathe normally without assist. At the end of the time interval, the sensitivity mechanism is again rendered operative for the mandatory ventilation assist. In the event that the patient does not trigger the sensitivity mechanism within a second given period of time following the end of the time interval, a mandatory ventilation assist is provided.