Novel N.sup.2 -substituted-2,6-diaminonebularines of the formula: ##STR1## wherein R is 2-pyridyl or 3-pyridyl, which may be substituted, or acid addition salts thereof have an excellent coronary vasodilator action.
该文中提到的化合物为Novel N.sup.2 -取代-2,6-二
氨基星云啉,
化学式为:##STR1## 其中R为2-
吡啶基或3-
吡啶基,可能被取代,或其酸加成盐具有出色的冠状血管扩张作用。