WURCS=2.0/4,4,3/[u2122m_2*NCC/3=O][u2122h_2*NCC/3=O][u2122A_4*C_6*N][u2112A_6*N]/1-2-3-4/a?|b?|c?|d?}-{a?|b?|c?|d?_a?|b?|c?|d?}-{a?|b?|c?|d?_a?|b?|c?|d?}-{a?|b?|c?|d?