WURCS=2.0/2,5,4/[uxxxxm_4*NC=O][uxxxxm]/1-1-1-1-2/a?|b?|c?|d?|e?}-{a?|b?|c?|d?|e?_a?|b?|c?|d?|e?}-{a?|b?|c?|d?|e?_a?|b?|c?|d?|e?}-{a?|b?|c?|d?|e?_a?|b?|c?|d?|e?}-{a?|b?|c?|d?|e?