0 B11R1.74 ClC1=NC(=CC(=C1)B(O)O)Cl BP20773 [2,0,0,0,0,0|1,0,1]=4 1 B11R1.74 ClC=1C=C(C(=O)O)C=C(N1)Cl BP22410 [2,0,0,0,0,0|0,0,0]=2