The neuroprotective multifunctional antioxidants are compounds that contain a 2-diacetylamino-5-hydroxypyrimidine moiety, having the structural formula:wherein R1 is CH2 or C2H4; R2 is H or \u2014OR4 where R4 is H or aryl; and R3a and R3b are independently selected from the group consisting of H and \u2014O-alkyl. The electrical interface is movable between a first position and a second position angularly displaced from the first position. Furthermore at least one threshold voltage is determined by a threshold setting means, which provides a voltage threshold that varies to compensate for changes in temperature. Error detection is performed on the frame by an error detector in the memory controller nest domain. The preparation is useful to inhibit release of pro-imflammatory mediators and neuropeptides, including CGRP and SP, for skin and hair treatment, including, sensitive skin, acne, scalp itch and neurogenous inflammation. By making use of the Cell Identity of the cell in which a ME having radio connection malfunction resides, in the calculation of a Message Authentication Code for data Integrity, MAC-I a ME unique MAC-I can be calculated which is used for the identification and verification of MEs by a target base station such as a eNodeB, in RRC Connection re-establishment of unauthenticated calls.