((6-Amino-5-triazine-2,4-diyl)methylene)bis(1,2,3,4-tetrahydroisoquinoline) 30146-70-4 5-26-09-00261 (Beilstein Handbook Reference) AF 76 BRN 0722919 Isoquinoline, ((6-amino-5-triazine-2,4-diyl)methylene)bis(1,2,3,4-tetrohydro-