The present invention relates to 1H-Quinazoline-2,4-diones of formula (I)
##STR00001## wherein R.sup.1 and R.sup.2 are as defined in the
specification, their preparation, their use as pharmaceuticals, and
pharmaceutical compositions containing them. Further, intermediates for
the manufacture of compounds of formula (I) are and combinations
comprising compounds of formula (I) are disclosed.