0  B31R4.3581086334  [C@@H]12CC[C@](O)(C(=O)COC(C)=O)[C@@]1(C)CC[C@@H]3[C@@]4(C)CCC(=O)C=C4CC[C@@H]23 CS-0006972 [1,0,0,0,0,0|0,0,1]=2