This invention provides novel anti-tumour compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2 are hydrogen or together form an alkyl-, alkoxy- or OH-substituted aromatic group, which optionally contains an N atom as a hetero-atom; R is --COCH.sub.3 or --C.tbd.C--R.sub.4 and R.sub.4 is H or trimethylsilyl; and R.sub.3 is H or --COCF.sub.3 ; and acid addition salts thereof; as well as compositions containing these compounds.
该发明提供了新型抗肿瘤化合物的公式为##STR1##其中R.sub.1和R.sub.2是氢或一起形成一个烷基,烷氧基或OH取代的芳香族基,其中可选地包含一个N原子作为杂原子; R是--COCH.sub.3或--C.tbd.C--R.sub.4,其中R.sub.4是H或三甲基
硅基; R.sub.3是H或--COCF.sub.3;以及它们的酸加成盐;以及含有这些化合物的组合物。