p. 3697 - 3711
(2007/10/03)2-{10-[4-(benzyloxycarbonyl-methyl-amino)-3-benzyloxycarbonyloxy-6-methyl-tetrahydro-pyran-2-yloxy]-2-ethyl-3,4-dihydroxy-9-methoxy-3,5,7,9,11,13-hexamethyl-12,14-dioxo-oxacyclotetradec-6-ylideneaminooxy}-2-methyl-propionic acid allyl ester
bis(trichloromethyl) carbonate
1-[(2-bromo-2-methylpropionyl)oxy]-2-propene
carbonic acid benzyl ester 4-(benzyloxycarbonyl-methyl-amino)-2-(14-ethyl-12,13-dihydroxy-10-hydroxyimino-7-methoxy-3,5,7,9,11,13-hexamethyl-2,4-dioxo-oxacyclotetradec-6-yloxy)-6-methyl-tetrahydro-pyran-3-yl ester