The present invention provides a compound of formula (I): ##STR1## wherein R.sup.1 is hydrogen , C.sub.1-4 alkyl, acetyl or formyl; R.sup.2 and R.sup.3 are the same or different and are hydrogen or C.sub.1-4 alkyl; R.sup.4 is NR.sup.11 R.sup.12 ; R.sup.11, R.sup.12, R.sup.5 and R.sup.6 are the same or different and are hydrogen, C.sub.1-4 alkyl or C.sub.1-12 acyl; R.sup.7, R.sup.8, R.sup.9 and R.sup.10 are the same or different and are hydrogen, halo, C.sub.1-4 haloalkyl, C.sub.1-4 alkyl and C.sub.1-4 alkoxy; and n is 2, 3, 4 or 5; m is 0 or an integer from 1 to 6; or a salt thereof, methods for the preparation of the compounds of the formula (I), intermediates in their preparations, pharmaceutical formulations containing them, and their use in the treatment of tumors.
本发明提供了一种化合物,其
化学式为(I):##STR1##其中R.sup.1为氢,C.sub.1-4烷基,乙酰基或甲酰基;R.sup.2和R.sup.3相同或不同,为氢或C.sub.1-4烷基;R.sup.4为NR.sup.11R.sup.12;R.sup.11,R.sup.12,R.sup.5和R.sup.6相同或不同,为氢,C.sub.1-4烷基或C.sub.1-12酰基;R.sup.7,R.sup.8,R.sup.9和R.sup.10相同或不同,为氢,卤素,C.sub.1-4卤代烷基,C.sub.1-4烷基和C.sub.1-4烷氧基;n为2,3,4或5;m为0或1到6的整数;或其盐,以及制备化合物(I)的方法,其制备中间体,含有它们的药物配方,以及它们在肿瘤治疗中的用途。