0  B6R1.2  C1C=C(N=N1)I BC000405 [0,0,0,0,1,0|3,0,0]=4
1  B6R1.2  c1cocc1Br BC000270 [0,0,0,0,1,0|2,0,1]=4
2  B5R1.1  C1CCOC1 BC000906 [1,0,0,0,1,0|1,0,1]=4