0  B8R1.7  O=C(O)C1CCCN1 147-85-3 [1,0,0,0,0,0|1,0,2]=4
1  B8R1.7  O=C(O)[C@H]1CCCN1 344-25-2 [1,0,0,0,0,0|1,0,2]=4