0  B11R1.495  CC(=O)ON1C(=O)CCC1=O MC439474 [2,0,0,0,0,0|2,0,0]=4
1  B13R1.4453  CCOC(=O)C1=C(C)NCCC1=O MC102703 [0,0,0,0,1,1|1,0,0]=3