上游原料
N-Hydroxyphthalimide; 2-Hydroxy-1H-isoindole-1,3(2H)-dione2-[3,4-bis(acetoxy)phenyl]acetic acid2-[3,4-bis(acetoxy)phenyl]-2-bromoacetic acidDiphenyldiazomethanebenzhydryl 2-[3,4-bis(acetoxy)phenyl]-2-bromoacetatebenzhydryl 2-[3,4-bis(acetoxy)phenyl]-2-[(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)oxy]acetatebenzhydryl 2-(aminooxy)-2-[3,4-bis(acetoxy)phenyl]acetate2-oxo-2-[2-(tritylamino)-1,3-thiazol-4-yl]acetic acid2-([2-(benzhydryloxy)-1-[3,4-bis(acetoxy)phenyl]-2-oxoethoxy]imino)-2-[2-(tritylamino)-1,3-thiazol-4-yl]acetic acid2-([2-(benzhydryloxy)-1-[3,4-bis(acetoxy)phenyl]-2-oxoethoxy]imino)-2-[2-(tritylamino)-1,3-thiazol-4-yl]acetic acidbenzhydryl 7-[([(7R)-7-amino-2-[(benzhydryloxy)carbonyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl)sulfanyl]-5-methyl[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxylatebenzhydryl 7-[([(7R)-7-([2-([2-(benzhydryloxy)-1-[3,4-bis(acetoxy)phenyl]-2-oxoethoxy]imino)-2-[2-(tritylamino)-1,3-thiazol-4-yl]acetyl]amino)-2-[(benzhydryloxy)carbonyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl)sulfanyl]-5-methyl[1,2,