0  B2R0.1  [N-]=C=[N-] DB09116 [1,0,0,0,0,0|3,0,0]=4
1  B4R0.3  O=S(=O)([O-])[O-] DB08938 [0,1,0,0,0,0|2,0,1]=4
2  B5R0.1  CCOC(N)=O DB04827 [0,2,0,0,0,0|2,0,0]=4
3  B5R1.2  O=C1CCO1 DB09348 [0,1,0,1,0,0|1,0,0]=3