上游原料
Ethoxymethylenemalononitrile; 2-(Ethoxymethylene)malononitrileGuanidine2,4-diamino-5-pyrimidinecarbaldehyde2,4-diamino-5-pyrimidinecarbonitrile(2,4-diamino-5-pyrimidinyl)methanol5-(bromomethyl)-2,4-pyrimidinediamine1-[(2,4-diamino-5-pyrimidinyl)methyl]pyridinium bromidemethyl 9-methyl-6,7,8,9-tetrahydro[1,3]dioxolo[4,5-h]isoquinolin-4-yl ether; 9-methyl-4-(methyloxy)-6,7,8,9-tetrahydro[1,3]dioxolo[4,5-h]isoquinoline
