0 B12R0.138 NC(=O)N[C@@H](CCC(O)=O)C(O)=O HMDB0015673 [0,0,0,0,0,0|0,0,0]=0 1 B11R0.146 CCCC(CCC(O)=O)C(O)=O HMDB0060684 [1,0,0,0,0,0|2,0,1]=4