0  B13R2.4899  Cn1c(=O)[nH]c2c(c1=O)CCC2 Molport-039-343-915 [0,1,0,0,0,0|2,0,1]=4
1  B13R2.5393  Cn1c2c(c(=O)[nH]c1=O)CCC2 Molport-009-687-091 [0,1,0,0,0,0|2,0,1]=4
2  B13R2.328  O=c1[nH]c2c(c(=O)[nH]1)CCCC2 Molport-003-968-713 [0,0,0,0,0,1|2,0,1]=4