0 B16R2.252 OC1=CC=NC(SCC2=CC=CC=C2)=N1 SBB081946 [2,0,0,0,0,0|1,0,0]=3 1 B16R2.137 NC1=NC(SCC2=CC=C(Cl)C=C2)=NS1 SBB042367 [1,0,0,0,1,0|2,0,0]=4