. . . . "(E)-(4S,6S)-6-((S)-2-{(S)-2-[(FURAN-2-CARBONYL)-AMINO]-3-METHYL-BUTYRYLAMINO}-3-METHYL-BUTYRYLAMINO)-8-METHYL-5-OXO-4-((R)-2-OXO-PYRROLIDIN-3-YLMETHYL)-NON-2-ENOIC ACID ETHYL ESTER"@en . . . . . . . . "experimental"@en . . . . . . . . . . . . . . . . . . . . . . .