0 B12R1.51 CCOC(=O)/C=C\C1=CC=CO1 HMDB0041611 [0,0,0,0,2,0|0,0,2]=4 1 B12R1.51 CCOC(=O)CCC1=CC=CO1 HMDB0032921 [0,0,0,0,2,0|0,0,0]=2