0 B12R2.24 OC1=CC=C2C=CC=CC2=N1 BB17-2144 [2,0,0,0,0,0|1,0,0]=3 1 B16R2.28256 CCOC1=C(C=O)C2=CC=CC=C2C=C1 BB17-1157 [0,2,0,0,0,0|0,0,0]=2