(2E,3E,5E,7E,9E)-2-ethylidene-4,10-dimethyl-11-oxo-11-{(3aS,6S,6aR)-5-oxo-3a-[2-(phenylselanyl)ethoxy]hexahydro-2H-furo[3,2-b]pyrrol-6-yl}undeca-3,5,7,9-tetraenoic acid methyl ester

(2E,3E,5E,7E,9E)-2-ethylidene-11-{(1R,4S,5R)-4-(2-hydroxyethyl)-2-oxo-4-[2-(phenylselanyl)ethoxy]-6-oxa-3-azabicyclo[3.1.0]hex-1-yl}-4,10-dimethyl-11-oxoundeca-3,5,7,9-tetraenoic acid methyl ester

(1R,4S,5R)-4-{2-[(tert-butoxycarbonyl)oxy]ethyl}-1-[(2E,4E,6E,8E,10E)-10-(methoxycarbonyl)-2,8-dimethyldodeca-2,4,6,8,10-pentaenoyl]-2-oxo-4-[2-(phenylselanyl)ethoxy]-6-oxa-3-azabicyclo[3.1.0]hexane-3-carboxylic acid tert-butyl ester

NG-391

(2S)-2-{2-[(tert-butoxycarbonyl)oxy]ethyl}-4-[(2E,4E,6E,8E,10E)-10-(methoxycarbonyl)-2,8-dimethyldodeca-2,4,6,8,10-pentaenoyl]-5-oxo-2-[2-(phenylselanyl)ethoxy]-2,5-dihydropyrrole-1-carboxylic acid tert-butyl ester