0  B7R1.3  NC1CCCCC1 DB04996 [0,0,0,1,0,0|1,0,2]=4
1  B6R0.4  O=C([O-])CCCO DB01440 [1,1,0,0,0,0|1,0,1]=4
2  B8R0.4  CCCCCCCCO DB12452 [0,2,0,0,0,0|0,0,2]=4
3  B8R0.7  CCCCCCC(=O)O DB02938 [0,2,0,0,0,0|0,0,2]=4