(4E,6Z,8S,9S,10E,12S,13R,14S,16R)-13-hydroxy-8,14,19-trimethoxy-10,12,16,21-pentamethyl-3,20,22-trioxo-2-azabicyclo[16.3.1]docosa-1(21),4, 6,10,18-pentaen-9-yl carbamate
geldanmycin
(4E,6Z,8S,9S,10E,12S,13R,14S,16R)-21-(4-acetylphenyl)-13-hydroxy-8,14,19-trimethoxy-4,10,12,16-tetramethyl-3,20,22-trioxo-2-azabicyclo[16.3.1]docosa-1(21),4,6,10,18-pentaen-9-yl carbamate
(4E,6Z,8S,9S,10E,12S,13R,14S,16R)-13-hydroxy-8,14,19-trimethoxy-4,10,12,16-tetramethyl-21-(2-nitrophenyl)-3,20,22-trioxo-2-azabicyclo[16.3.1]docosa-1(21),4,6,10,18-pentaen-9-yl carbamate
(4E,6Z,8S,9S,10E,12S,13R,14S,16R)-13-hydroxy-21-(4-hydroxyphenyl)-8,14,19-trimethoxy-4,10,12,16-tetramethyl-3,20,22-trioxo-2-azabicyclo[16.3.1]docosa-1(21),4,6,10,18-pentaen-9-yl carbamate