上游原料
(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-bis(acetoxy)-1,15-dihydroxy-10,14,17,17-tetramethyl-11-oxo-9-[(triethylsilyl)oxy]-6-oxatetracyclo[11.3.1.0(3,10).0(4,7)]heptadec-13-en-2-yl benzoate4-Chlorophenylamine; 4-Chloroaniline; p-Chloroaniline5-amino-3-methyl-4-isothiazolecarboxylic acid5-(benzoylamino)-3-methyl-4-isothiazolecarboxylic acid7-benzoyl-4-methyl-2-thia-3,7-diazabicyclo[3.2.0]hept-3-en-6-one
