Synthesis and pharmacological study of 5H-pyridazino-[3,4-b]-1,4-benzoxazines (3,4-diazaphenoxazines). VII. Synthesis of derivatives of 7-nitro- and 7-amino-3,4-diazaphenoxazines
Synthesis and pharmacological study of 5H-pyridazino-[3,4-b]-1,4-benzoxazines (3,4-diazaphenoxazines). VII. Synthesis of derivatives of 7-nitro- and 7-amino-3,4-diazaphenoxazines