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catkin90(½ð±Ò+1): лл²ÎÓë
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2Â¥: Originally posted by lelelbom at 2013-06-28 08:23:19
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Ó¢ÎÄÃû  4-Hydroxyphenyl hydantoin
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catkin90(zyz666888´ú·¢): ½ð±Ò+1, ¸ÐлÈÈÐĽ»Á÷£¬»¶Ó­³£À´£¡ 2013-06-28 23:25:17
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   With  hydrogenchloride; urea   Patent:   US4230869 A1, 1980 ; ÊÕÂÊ 63%
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   With  hydrogenchloride         Patent:   US5110944 A1, 1992 ;
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