0  B3R0.2  CC(N)=O BBP01223 [1,0,0,0,0,0|2,0,1]=4
1  B3R0.2  CN(C)C T4827 [1,0,0,0,0,0|0,0,1]=2
2  B3R0.2  O=C([O-])[O-] T3249 [1,0,0,0,0,0|3,0,0]=4