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METHOD OF MANUFACTURE OF 3-/N,N-DIETHANOL-N-ALKYLAMMONIO/-2-HYDROXYPROPYL-1-MALEATE AND 3-/N,N-DIPOLYOXYETHYLEN-N-ALKYLAMINO/-2-HYDROXYPROPYL-1-AMEATE
METHOD OF MANUFACTURE OF 3-/N,N-DIETHANOL-N-ALKYLAMMONIO/-2-HYDROXYPROPYL-1-MALEATE AND 3-/N,N-DIPOLYOXYETHYLEN-N-ALKYLAMINO/-2-HYDROXYPROPYL-1-AMEATE