0  B2R0.1  OC=O HMDB0000142 [1,0,0,0,0,0|1,0,0]=2
1  B1R0.1  CO HMDB0001875 [2,0,0,0,0,0|0,0,1]=3
2  B3R0.1  C=CC=C HMDB0041792 [1,1,0,0,0,0|2,0,0]=4
3  B3R0.1  C=CC=O HMDB0041822 [1,1,0,0,0,0|1,0,1]=4