0  B14R2.21  Ic1cc(-c2ccccc2)ncn1 M21584 [2,0,0,0,0,0|1,0,1]=4
1  B14R2.24  Brc1ccccc1-c2ccccc2 M21546 [2,0,0,0,0,0|2,0,0]=4