0  B21R0.81  O=C(O)CCCCCCCCCCCCCCCCCCBr 2121-9-X8 [1,0,0,0,0,0|3,0,0]=4
1  B20R0.2932  CCCCCCCCCCCCCCCCCCCCO 2101-1-15 [2,0,0,0,0,0|2,0,0]=4
2  B22R0.37964  CCCCCCCCCCCCCCCCCCCC(=O)OC 2123-1-52 [1,1,0,0,0,0|2,0,0]=4