0 B7R0.6 OC(=O)CCC(O)=O HMDB0000254 [1,0,0,0,0,0|3,0,0]=4 1 B9R0.11 CC(O)(CC(O)=O)C(O)=O HMDB0000426 [0,1,0,0,0,0|3,0,0]=4