WURCS=2.0/1,4,5/[u2112h_2*NCC/3=O]/1-1-1-1/a?|b?|c?|d?}*OCC/3=O_a?|b?|c?|d?}*OCC/3=O_a?|b?|c?|d?}-{a?|b?|c?|d?_a?|b?|c?|d?}-{a?|b?|c?|d?_a?|b?|c?|d?}-{a?|b?|c?|d?*OPO*/3O/3=O