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EX-31.1 - EX-31.1 - MOMENTA PHARMACEUTICALS INCa2223226zex-31_1.htm
EX-23.1 - EX-23.1 - MOMENTA PHARMACEUTICALS INCa2223226zex-23_1.htm
EX-31.2 - EX-31.2 - MOMENTA PHARMACEUTICALS INCa2223226zex-31_2.htm
EX-32.1 - EX-32.1 - MOMENTA PHARMACEUTICALS INCa2223226zex-32_1.htm
EXCEL - IDEA: XBRL DOCUMENT - MOMENTA PHARMACEUTICALS INCFinancial_Report.xls
10-K - 10-K - MOMENTA PHARMACEUTICALS INCa2223226z10-k.htm

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EXHIBIT 21


SUBSIDIARIES OF MOMENTA PHARMACEUTICALS, INC.

Name of Subsidiary
  Jurisdiction of Organization
Momenta Pharmaceuticals Securities Corporation   Massachusetts



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SUBSIDIARIES OF MOMENTA PHARMACEUTICALS, INC.