上游原料
1-(Bromomethyl)benzene; Alpha-bromotoluene1,3-propanediol; Trimethylene Glycol2-Bromoacetic acid tert-butyl ester; tert-butyl 2-bromoacetate; tert-Butyl bromoacetate1-(2-chloro-4-pyridinyl)-1-propanone2-chloro-4-(2-ethyl-1,3-dioxan-2-yl)pyridine4-(2-ethyl-1,3-dioxan-2-yl)-2-pyridinyl methyl ether; 4-(2-ethyl-1,3-dioxan-2-yl)-2-methoxypyridine4-(2-ethyl-1,3-dioxan-2-yl)-2-methoxynicotinaldehyde[4-(2-ethyl-1,3-dioxan-2-yl)-2-methoxy-3-pyridinyl]methanol3-[(benzyloxy)methyl]-4-(2-ethyl-1,3-dioxan-2-yl)-2-methoxypyridine; benzyl [4-(2-ethyl-1,3-dioxan-2-yl)-2-methoxy-3-pyridinyl]methyl ether1-[3-[(benzyloxy)methyl]-2-methoxy-4-pyridinyl]-1-propanonetert-butyl 3-[3-[(benzyloxy)methyl]-2-methoxy-4-pyridinyl]-3-hydroxypentanoatetert-butyl 3-hydroxy-3-[3-(hydroxymethyl)-2-methoxy-4-pyridinyl]pentanoate5-ethyl-5-hydroxy-9-methoxy-4,5-dihydrooxepino[3,4-c]pyridin-3(1H)-one5-ethyl-5-hydroxy-1,4,5,8-tetrahydrooxepino[3,4-c]pyridine-3,9-dioneN-(3,4-difluorophenyl)acetamide2-chloro-6,7-difluoro-3-quinolinecarbaldehyde(2-chloro-6,7-difluoro-3-quinolinyl)methanol8-[(2-chloro-6,7-difluoro-3-quinolinyl)methyl]-5-ethyl-5-hydroxy-1,4,5,8-tetrahydrooxepino[3,4-c]pyridine-3,9-dione
