1,2,4-Triazine chemistry. 11. Dihydro-1,2,4-triazines: structural studies on sodium borohydride reduction products from some 3-methylthio- and 3-methoxy-1,2,4-triazines
1,2,4-Triazine chemistry. 11. Dihydro-1,2,4-triazines: structural studies on sodium borohydride reduction products from some 3-methylthio- and 3-methoxy-1,2,4-triazines