0 B12R1.1660 COC(=O)C1CC(C(=O)OC)C1 AMCB00002 [0,0,2,0,0,0|2,0,0]=4 1 B12R1.1660 COC(=O)[C@H]1C[C@H](C(=O)OC)C1 AMCB00012 [0,0,2,0,0,0|2,0,0]=4