上游原料
ethyl 3-bromo-2-oxopropanoate;ethyl 3-bromopyruvate;Bromopyruvic acid ethyl ester;ethyl 3-bromopyruvate;ethyl bromopyruvate(2S,3S,4R,5R)-4-(benzoyloxy)-5-[(benzoyloxy)methyl]-2-cyanotetrahydro-3-furanyl benzoate(2R,3R,4S,5R)-5-(aminocarboselenoyl)-4-(benzoyloxy)-2-[(benzoyloxy)methyl]tetrahydro-3-furanyl benzoateN-(5-amino-6-chloro-4-pyrimidinyl)-N-[6-(benzyloxy)-2,2-dimethyl-4,6a-dihydro-3aH-cyclopenta[d][1,3]dioxol-4-yl]amine; N(4)-[6-(benzyloxy)-2,2-dimethyl-4,6a-dihydro-3aH-cyclopenta[d][1,3]dioxol-4-yl]-6-chloro-4,5-pyrimidinediamine
