(1S,2R,4R,5R,7R,9S,10R,13R,14R,15R,19S,20S)-13-Ethyl-4,14-dihydroxy-2,4,10,14,19,20-hexamethyl-7-(2,4,6-trimethyl-phenyl)-6,8,12,16-tetraoxa-18-aza-tricyclo[13.3.1.15,9]icosane-11,17-dione
4-biphenyl-carboxylic acid chloride
Biphenyl-4-carboxylic acid [(1S,2R,5R,6S,7R,8S,9S,10R,12R,13R,15R,17S)-5-ethyl-6,7,12-trihydroxy-2,6,8,10,12,17-hexamethyl-3-oxo-15-(2,4,6-trimethyl-phenyl)-4,14,16-trioxa-bicyclo[11.3.1]heptadec-9-yl]-amide
(1S,2R,4R,5R,7R,9S,10R,13R,14R,15R,19S,20S)-18-(Biphenyl-4-carbonyl)-13-ethyl-4,14-dihydroxy-2,4,10,14,19,20-hexamethyl-7-(2,4,6-trimethyl-phenyl)-6,8,12,16-tetraoxa-18-aza-tricyclo[13.3.1.15,9]icosane-11,17-dione