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Å·ÖÞÒ©µä6.0°æ3038Ò³²â¶¨Leuprorelinum   C59H84N16O12º¬Á¿µÄ·½·¨ÓõÄÊǸßÂÈËáµÎ¶¨£¬ ÐòÁÐ5-Oxo-L-prolyl-L-histidyl-L-tryptophyl-L-seryl-L-tyrosyl-D-leucyl-L-leucyl-L-arginyl-N-ethyl-L-prolinamide.  ¾ßÌåÄÚÈÝ£ºDissolve 0.100 g in 3 ml of anhydrous formic acid R. Add 30 ml of anhydrous acetic acid R. Titrate with 0.1 M perchloric acid using 0.1 ml of naphtholbenzein solution R as indicator£¨ÝÁ·Ó±½»ù¼×´¼£©, until the colour changes from brownish-yellow to green.1 ml of 0.1 M perchloric acid is equivalent to 13.12 mg of C6H13NO2.
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²»ºÃÒâ˼£¬ÒÔÏÂÄÚÈÝŪ´íÁË¡£»¹ÓÐÅ·ÖÞÒ©µäÉÏ4392Ò³µÄ²â¶¨TetracosactidumÒ²ÊǵçλµÎ¶¨£¬¾ßÌåÄÚÈÝ£ºDissolve 0.250 g in 50 ml of alcohol R and add 5.0 ml of 0.01 M hydrochloric acid. Carry out a potentiometric titration (2.2.20), using 0.1 M sodium hydroxide. Read the volume added between the 2 points of inflexion. 1 ml of 0.1 M sodium hydroxide is equivalent to 30.08 mg of C15H25ClN2O2.
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