| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention relates to a quinazoline derivative of general formula [1], or a pharmaceutically acceptable salt thereof [1], where R1-R6 assume values given claim 1, except compounds in which R5 is hydrogen and R6 is -NH2. The invention also relates to a pharmaceutical composition having the activity of an antipruritic agent, containing as an active ingredient said quinazoline derivative or pharmaceutically acceptable salt thereof. ^ EFFECT: obtaining a novel quinazoline derivative with low irritant action on skin and excellent action of significant suppression of scratching behaviour, as well as an antipruritic agent containing such a quinazoline derivative as an active ingredient. ^ 9 cl, 250 ex, 7 tbl |
