(2S,4S)-4-Mercapto-2-{[(thiomorpholine-4-carbonyl)-amino]-methyl}-pyrrolidine-1-carboxylic acid allyl ester

allyl (1R,5R,6S)-2-(diphenoxyphosphoryloxy)-6-[(R)-1-hydroxyethyl]-1-methylcarbapen-2-em-3-carboxylate