CC1(C)[C@@H](OC(=O)CCC([O-])=O)CC[C@@]2(C)[C@H]1CC[C@]5(C)[C@@H]2C(=O)C=C4[C@@H]3C[C@@](C)(C([O-])=O)CC[C@]3(C)CC[C@]45C CBO_A1270_2BEL 5.597 123.632 41 568.751 7 0 2 6 548.391