0  B8R0.5  CCOC(=O)CC(=O)O 1071-46-1 [1,0,0,0,0,0|2,0,1]=4
1  B9R1.66  CC1(O)CCOC(=O)C1 674-26-0 [1,0,0,1,0,0|1,0,0]=3