0 B10R1.17 CNCCC1=NC=CC=C1 EX-A921 [1,0,0,0,0,0|1,0,0]=2 1 B12R2.612 OB1OCC2=C1C=CC(Cl)=C2 EX-A1363 [0,0,0,1,0,0|3,0,0]=4