Novel compounds of the formula I, in which R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R, Q, W, X and Z have the meanings indicated in Patent Claim 1, are suitable as antidiabetics. Then, the memory controller 20 counts the number of the receiving internal clocks from the moment an OUT1 command is issued to the DRAM 30 until a high-level data signal is received as the DQ data signal from the DRAM 30, and retains the count result as the number of delay clocks. The predetermined shape is defined by a pair of side edge surfaces extending the length of the stabilizing member and a substantially smooth uninterrupted front surface extending the length of the stabilizing member, abutting rear surface of the crown molding and preferably adjoining each of the pair of side edge surfaces. Lithium ions are then recovered from the recovery liquid containing dissolved lithium ions. The gasket may be compressed between two substrates and provide electrical conductivity in one axis and EMI shielding and nonconductivity in a perpendicular axis.