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(6R,7R)-7-[[(Z)-2-(2-t-Butoxycarbony laminothiazol-4-yl)-2-pentenoyl]amino]-3-aminocarbonyl oxymethyl-8-oxo-5-thia-1-azabicylo[4.2.0]oct-2-ene-2-carboxylic acid diisopropylamine salt CAS #:153012-37-4
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