(R)-(-)-5,5',6,6',7,7',8,8'-オクタヒドロ-3,3'-ジ-t-ブチル-1,1'-ビ-2-ナフトール二カリウム塩

(R)-(-)-5,5',6,6',7,7',8,8'-Octahydro-3,3'-di-t-butyl-1,1'-bi-2-naphthol, dipotassium salt