C=[N+]=[S-][C@@H]1[C@@H]([C@]2(C)CC[C@H](Cl)C(C)(C)O2)[C@H]2CC[C@](C)(C(N)=O)[C@@H]2CC[C@]1(C)O 10β-formamido-5β-isothiocyanatokalihinol-A