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