0  B13R0.256  NCC(=O)N[C@H](CCC(N)=O)C(=O)O CS-0045258 [0,1,0,0,0,0|1,0,0]=2
1  B12R1.850  O=C1CC(C(=O)O)C(C(=O)O)C1 CS-0001962 [0,0,0,1,1,0|2,0,0]=4