0  B3R0.2  CC(=O)[O-] ZR4002 [0,0,0,0,0,0|2,0,0]=2
1  B1R0.1  [C-]#[O+] ZR4008 [2,0,0,0,0,0|1,0,1]=4
2  B3R0.1  CNOC ZR3002 [1,1,0,0,0,0|1,0,1]=4
3  B5R0.1  CC#CC(=O)O ZR3004 [0,2,0,0,0,0|2,0,0]=4