10H-Dibenz(b,e)iodinium, 3,7-bis(dimethylamino)-, bis(2-hydroxy-1,2,3-propanetricarboxylato(3-))praseodymate(3-) (3:1) 120752-09-2 3,6-Di-(dimethylamino)dibenzopyriodonium praseodymium dicitrate complex Dadp-prd Dimethylaminodibenzopyriodonium praseodymium citrate complex