0  B6R0.2  O=C(O)CC(=O)O MC41922 [2,0,0,0,0,0|2,0,0]=4
1  B6R0.2  O=C(O)CC(=O)O MC41938 [2,0,0,0,0,0|2,0,0]=4
2  B6R0.5  CNCP(=O)(O)O MC101885 [2,0,0,0,0,0|1,1,0]=4