ethyl 6-cyclopropylpyrazine-2-carbimidate 、 (R)-(4-(5,6-diaminopyridin-2-yl)morpholin-2-yl)(pyrrolidin-1-yl)methanone 、 (R)-(4-(5,6-Diaminopyridin-2-yl)morpholin-2-yl)(pyrrolidin-1-yl)methanone dihydrochloride 生成 (R)-(4-(2-(6-cyclopropylpyrazin-2-yl)-3H-imidazo[4,5-b]pyridin-5-yl)morpholin-2-yl)(pyrrolidin-1-yl)methanone