上游原料
2-chloro-6-methoxy-3-nitropyridine2-amino-1,3-propanediol; serinol2-((6-methoxy-3-nitropyridin-2-yl)amino)propane-1,3-diol1-Methoxy-1-methylethyl methyl ether; 2,2-DimethoxypropaneN-(2,2-dimethyl-1,3-dioxan-5-yl)-6-methoxy-3-nitropyridin-2-amineN2-(2,2-dimethyl-1,3-dioxan-5-yl)-6-methoxypyridine-2,3-diamineEthyl 2-bromoacetate; Ethyl bromoacetateethyl (2-((2,2-dimethyl-1,3-dioxan-5-yl)amino)-6-methoxypyridin-3-yl)glycinate4-(2,2-dimethyl-1,3-dioxan-5-yl)-6-methoxy-1,4-dihydropyrido[2,3-b]pyrazin-3(2H)-one4-(2,2-dimethyl-1,3-dioxan-5-yl)-6-methoxypyrido[2,3-b]pyrazin-3(4H)-one4-(1,3-dihydroxypropan-2-yl)-6-methoxypyrido[2,3-b]pyrazin-3(4H)-one(3,8-dioxo-1,2-dihydro-3H,8H-2a,5,8a-triazaacenaphthylen-2-yl)methyl methanesulfonatetert-butyl 4-piperidinylcarbamate; 4-tert-Boc-aminopiperidinetert-butyl (1-((3,8-dioxo-1,2-dihydro-3H,8H-2a,5,8a-triazaacenaphthylen-2-yl)methyl)piperidin-4-yl)carbamate(R)-2-((4-aminopiperidin-1-yl)methyl)-1,2-dihydro-3H,8H-2a,5,8a-triazaacenaphthylene-3,8-dione3,4-dihydro-2H-pyrano[2,3-c]pyridine-6-carbaldehydeKojic acid; 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one2-(hydroxymethyl)-5-((4-methoxybenzyl)oxy)-4H-pyran-4-one2-(hydroxymethyl)-5-((4-methoxybenzyl)oxy)pyridin-4(1H)-one(5-((4-methoxybenzyl)oxy)-4-oxo-1,4-dihydropyridin-2-yl)methyl acetate(5-((4-methoxybenzyl)oxy)-4-(((trifluoromethyl)sulfonyl)oxy)pyridin-2-yl)methyl acetatePropargyl Alcohol; 2-propyn-1-ol(4-(3-hydroxyprop-1-yn-1-yl)-5-((4-methoxybenzyl)oxy)pyridin-2-yl)methyl acetate(5-hydroxy-4-(3-hydroxypropyl)pyridin-2-yl)methyl acetate(3,4-dihydro-2H-pyrano[2,3-c]pyridin-6-yl)methyl acetate(3,4-dihydro-2H-pyrano[2,3-c]pyridin-6-yl)methanol
