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(2R,3R,4S,5R,6E)-3,4,5-trihydroxy-N-[(3S)-5-isopropyl-4-oxo-2,3,4,5-tetrahydro-1,5-benzoxazepin-3-yl]-2-methoxy-8,8-dimethylnon-6-enamide
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(2R,3R,4S,5R,6E)-N-[(3S)-5-ethyl-4-oxo-2,3,4,5-tetrahydro-1,5-benzoxazepin-3-yl]-3,4,5-trihydroxy-2-methoxy-8,8-dimethylnon-6-enamide
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(2R,3R,4S,5R,6E)-N-[(3S)-1,5-dimethyl-2-oxo-2,3,4,5-tetrahydro-1H-1,5-benzodiazepin-3-yl]-3,4,5-trihydroxy-2-methoxy-8,8-dimethylnon-6-enamide