0 B13R1.45 c1ccc(cc1)C(=O)NCC(=O)[O-] gut56 [1,0,0,0,0,0|1,0,1]=3 1 B15R2.6 c1ccc2c(c1)c(c[nH]2)CCC(=O)[O-] gut70 [0,0,0,1,0,0|2,0,1]=4