0 B13R1.511 O=C(O)\C=C\C1=CC(O)=C(O)C=C1 DB01880 [1,0,0,0,0,0|1,0,2]=4 1 B12R1.56 COC1=C(O)C=CC(C(C)=O)=C1 DB12618 [0,0,0,0,2,0|0,0,0]=2