上游原料
Kojic acid; 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one5-(benzyloxy)-2-(hydroxymethyl)-4H-pyran-4-one5-(benzyloxy)-4-oxo-4H-pyran-2-carboxylic acid5-(benzyloxy)-4-oxo-1,4-dihydro-2-pyridinecarboxylic acidmethyl 5-(benzyloxy)-4-methoxy-2-pyridinecarboxylatemethyl 5-hydroxy-4-methoxy-2-pyridinecarboxylatemethyl 6-acetyl-5-hydroxy-4-methoxy-2-pyridinecarboxylatemethyl 6-acetyl-4,5-dimethoxy-2-pyridinecarboxylatemethyl 6-(2-bromoacetyl)-4,5-dimethoxy-2-pyridinecarboxylate7-amino-1-methyl-7-thioxoheptyl acetatemethyl 6-[2-[6-(acetoxy)heptyl]-1,3-thiazol-4-yl]-4,5-dimethoxy-2-pyridinecarboxylate7-oxooctanoic acid7-oxooctanamide7-hydroxyoctanamide7-amino-1-methyl-7-oxoheptyl acetate