the s-triazines employed were hemel , 2,4-diamino-6-morpholino-s-triazine hydrochloride ( ent-51143 ) , 2-amino-4,6-bis ( dimethylamino ) -s-triazine hydrochloride ( ent-51146 ) , and a compound ent-60433 , whose structure is not known to the authors .
C0040877
triazines
C0019453
hemel