214286-42-7
tert-butyl (S)-1-((2S,4R)-4-benzyltetrahydro-5-oxofuran-2-yl)-2-methylpropylcarbamate
869494-40-6
(E)-(S)-4-[(2R,4S,5S)-2-Benzyl-5-tert-butoxycarbonylamino-4-(tert-butyl-dimethyl-silanyloxy)-6-methyl-heptanoylamino]-5-((S)-2-oxo-pyrrolidin-3-yl)-pent-2-enoic acid ethyl ester
328086-61-9
4S-amino-5-(2-oxopyrrolidin-3S-yl)pent-2-enoic acid ethyl ester
869494-32-6
(2R,4S,5S)-2-Benzyl-5-tert-butoxycarbonylamino-4-(tert-butyl-dimethyl-silanyloxy)-6-methyl-heptanoic acid
869494-42-8
(E)-(S)-4-{(2R,4S,5S)-2-Benzyl-4-(tert-butyl-dimethyl-silanyloxy)-6-methyl-5-[(5-methyl-isoxazole-3-carbonyl)-amino]-heptanoylamino}-5-((S)-2-oxo-pyrrolidin-3-yl)-pent-2-enoic acid ethyl ester