Novel N.sup.2 -substituted phenyl-2,6-diaminonebularines of the formula ##STR1## wherein either one of R.sup.1 and R.sup.2 is carbamoyl which may be substituted or acyl group and the other is hydrogen atom, halogen atom or lower alkoxyl group, and their acid addition salts have an excellent coronary vasodilator action.
新型N.sup.2-取代苯基-2,6-二
氨基星云啉类化合物的
化学式为##STR1##其中R.sup.1和R.sup.2中的一个是可能被取代的碳酰基或酰基,另一个是氢原子、卤原子或较低的烷氧基,它们的酸盐具有出色的冠状血管扩张作用。