Disclosed is a process for forming an N-acylamino pyrazole comprising contacting a N-acyl-3-oxo-imino ether compound either with a salt of hydrazine in the presence of a base or with hydrazine. A list of product combinations may be retrieved from a database. A fitting portion pushes the slider upward so as to maintain the closure of the gas passing portion, and a webbing is taken up. Forward-most portions of the frame structure, immediately adjacent to the bumper beam, may take the form of deformation elements or crush cans that are designed to yield in a manner to absorb crash energy. The portable transmitterreceiver has a manual control signal transmitting function for selectively locking and unlocking the door of the vehicle and the manual control is carried out with a priority over the automatic control according to the welcome function within a predetermined period of time.