(5R)-9-Formyl-13-isopropyl-5-methyl-2-{2-[(N-{[(2-methyl-2-propanyl)oxy]carbonyl}glycyl)oxy]ethyl}tetracyclo[7.4.0.0~2,11~.0~4,8~]tridec-12-ene-1-carboxylic acid

(5R)-9-Formyl-13-isopropyl-5-methyl-2-{2-[(N-{[(2-methyl-2-propanyl)oxy]carbonyl}glycyl)oxy]ethyl}tetracyclo[7.4.0.0~2,11~.0~4,8~]tridec-12-en-1-carbonsäure

(5R)-9-Formyl-13-isopropyl-5-methyl-2-{2-[(N-{[(2-methyl-2-propanyl)oxy]carbonyl}glycyl)oxy]ethyl}tetracyclo[7.4.0.0~2,11~.0~4,8~]tridec-12-ene-1-carboxylic acid

(7R)-8a-(2-{[N-(tert-butoxycarbonyl)glycyl]oxy}ethyl)-4-formyl-7-methyl-3-(propan-2-yl)-4,4a,5,6,7,7a,8,8a-octahydro-1,4-methano-s-indacene-3a(1H)-carboxylic acid

1,4-Methano-s-indacene-3a(1H)-carboxylic acid, 8a-[2-[[2-[[(1,1-dimethylethoxy)carbonyl]amino]acetyl]oxy]ethyl]-4-formyl-4,4a,5,6,7,7a,8,8a-octahydro-7-methyl-3-(1-methylethyl)-, (7R)-

Acide (5R)-9-formyl-13-isopropyl-5-méthyl-2-{2-[(N-{[(2-méthyl-2-propanyl)oxy]carbonyl}glycyl)oxy]éthyl}tétracyclo[7.4.0.0~2,11~.0~4,8~]tridéc-12-ène-1-carboxylique

1,4-Methano-s-indacene-3a(1H)-carboxylic acid, 8a-[2-[[[[(1,1-dimethylethoxy)carbonyl]amino]acetyl]oxy]ethyl]-4-formyl-4,4a,5,6,7,7a,8,8a-octahydro-7-methyl-3-(1-methylethyl)-, (7R)-

8-[2-(tert-butoxycarbonylaminomethylcarbonyloxy)ethyl]-1-formyl-10-isopropyl-5-methyl-(5R)-tetracyclo[7.4.0.02,6.08,12]tridec-10-ene-9-carboxylic acid