0  B20R0.31940  CCCCCCCCCCCCCCCCCCC(=O)O SY051524 [2,0,0,0,0,0|1,0,0]=3
1  B20R0.31940  CCCCCCCCCCCCCCCCCC[N+](=O)[O-] SY266533 [2,0,0,0,0,0|0,1,1]=4
2  B22R0.37964  CCCCCCCCCCCCCCCCCCCC(=O)OC SY048228 [1,1,0,0,0,0|2,0,0]=4