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(5-Methyl-2-oxo-1,3-dioxolan-4-yl)methyl 2-[(3S)-4-[2-[[4-(diaminomethylideneamino)benzoyl]amino]acetyl]-3-[3-[[4-(diaminomethylideneamino)benzoyl]amino]propyl]-2-oxopiperazin-1-yl]acetate


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