0 B17R2.10205 O=C(C(=O)C1=CC=CC=C1)C2=CC=CC=C2 YMDB00136 [0,0,0,0,2,0|0,0,0]=2 1 B17R2.10205 O=C(C1=CC=CC=C1)C(O)C2=CC=CC=C2 YMDB00336 [0,0,0,0,2,0|0,0,2]=4