0  B20R0.2931  CCCCCCCCCCCCCCCC(O)CC(=O)O BB31-3644 [1,1,0,0,0,0|2,0,0]=4
1  B20R1.3309  CCCCCCCCCCCCCCC1CCC(=O)O1 BB31-4900 [1,0,0,1,0,0|2,0,0]=4