0 B4R0.1 CN(C)C=O HMDB0001888 [1,0,0,0,0,0|2,0,0]=3 1 B6R0.7 CC(C)(O)C(O)=O HMDB0000729 [0,1,0,0,0,0|0,0,0]=1 2 B3R0.1 C=CC=O HMDB0041822 [2,0,0,0,0,0|0,0,2]=4