National Science Council

Hsiao-Sheng Lieu

Chun-Nan Lin

Shorong-Shii Liou

Shen-Jeu Won

Compounds of general Formula I in which the substituents of R.sub.1 -R.sub.7 are hydrogen, hydroxy group, C.sub.1-6 alkyl group, C.sub.1-6 alkoxy group, or epoxypropoxy, but at the most, six of the substituents can simultaneously be hydrogen, methoxy group, or hydroxy group, or epoxypropoxy group for activity against hepatoma. There are also described processes for the preparation of the novel compounds and useful intermediates. Substitute benzophenones are described.

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Tainan, Taiwan

Hsiao-Sheng Lieu