0 B7R0.6 CC(O)=NN=C(C)O HMDB0060496 [0,0,0,0,0,0|2,0,2]=4 1 B6R0.2 OC(=O)CC(O)=O HMDB0000691 [0,0,0,0,1,0|3,0,0]=4 2 B5R0.5 OC(=O)C(O)=O HMDB0002329 [0,0,0,0,2,0|2,0,0]=4