Method B. N-(2-Imidazolin-2-yl)-2-amino-6-chloropyrazine-carboxamidine (VIIc). Step 1. Methyl 3-amino-6-chloropyrazinethiocarboximidate (VI).-CH $ TI(2.3 g, 0.033 mole) was admitted below the surface of EtOR (100 ml) containing, 5y0 NaOH (2 drops). The sdiition was stirred, IVd (5.0 g, 0.032 mole) was added, and the mixture was heated to effect solution. After stirring at room temperature for 13 min,€ 1 2 0 (100 ml) was added. The ...