红藻氨酸

(2S,3S,4R)-[1-(benzyloxycarbonyl)-2-(hydroxymethyl)-4-(1-hydroxy-1-methylethyl)]-3-pyrrolidineacetic acid lactone

(2S,3S,4R)-[1-(benzyloxycarbonyl)-2-[[(tert-butyldimethylsilyl)-oxy]methyl]-4-(1-hydroxy-1-methylethyl)]-3-pyrrolidineacetic acid lactone

(2S,3S,4R)-1-(benzyloxycarbonyl)-2-[[(tert-butyldimethylsilyl)-oxy]methyl]-3-(2-hydroxyethyl)-4-(1-hydroxy-1-methylethyl)pyrrolidine

(2S,3S,4S)-1-(benzyloxycarbonyl)-3-(2-hydroxyethyl)-2-(hydroxymethyl)-4-isopropenylpyrrolidine