少妇撒尿W搡BBB搡WBBB搡,曰批国产精品视频免费观看,国产人妖乱国产精品人妖,亚洲AV无码久久久久久精品同性

ÄãºÃ£¬»¶Ó­À´µ½ÖлªÊÔ¼ÁÍø ¹ºÊÔ¼Á ÂòºÄ²Ä£¡ [ÇëµÇ¼][×¢²áÓоªÏ²]

»õºÅ¿ìËÙϵ¥ | Ç©µ½ËÍ»ý·Ö   | »áÔ±ÖÐÐÄ | ¿Í·þÈÈÏߣº400-021-2765

½¹ñÇ¿µËá,496-63-9,½á¹¹Ê½

½¹ñÇ¿µËá

CasNo:496-63-9 MDL: ·Ö×Óʽ:C5H4O3 ·Ö×ÓÁ¿:112.083

С³ÌÐò

»¯Ñ§ÊÔ¼Á

ËùÓвúÆ·½öÓÃ×÷¿ÆѧÑо¿ºÍÆóÒµÉú²ú£¬ÎÒÃDz»ÎªÈκθöÈËÓÃ;Ìṩ²úÆ·ºÍ·þÎñ
ÊÕÆð
  Æ·ÅÆ »õºÅ Æ·Ãû ¹æ¸ñ´¿¶È °ü×° ¿â´æ ÅƼۺ¬Ë° ³É½»¼Û ¹ºÂòÁ¿ ²Ù×÷
loading
µã»÷¼ÓÔظü¶à
¼ÓÔØÍê³É
ÉùÃ÷
1¡¢Òò³§¼Ò»áÔÚûÓÐÈκÎÌáǰ֪ͨµÄÇé¿öϸü¸Ä²úÆ·¼Û¸ñ¡¢°ü×°¡¢²úµØ»òÕßһЩ¸½¼þ£¬Èô³öÏÖ¼Û¸ñÒì³£ÇëÒÔ³§¼Ò¹ÙÍø¼Û¸ñΪ׼£¬±¾Ë¾²»ÄÜÈ·±£¿Í»§ÊÕµ½µÄ»õÎïÓëÉ̳ÇͼƬ¡¢²úµØ¡¢¸½¼þ˵Ã÷ÍêÈ«Ò»Ö£¬Ö»ÄÜÈ·±£ÎªÔ­³§Õý»õ£¡²¢ÇÒ±£Ö¤Ó뵱ʱÊг¡ÉÏͬÑùÖ÷Á÷ÐÂÆ·Ò»Ö¡£Èô±¾É̳ÇûÓм°Ê±¸üУ¬Çë´ó¼ÒÁ½⣡
2¡¢ÉÌÆ·ÐÅÏ¢±ê×¢¡°Ò»°ãΣ»¯Æ·¡±¡°Î£»¯¡±µÄÉÌÆ·£¬ÈçÐ蹺ÂòÐèÌṩһ°ãΣ»¯Æ·¹ºÂò×ÊÖÊ¡£
3¡¢½ö¿ÉÓÃÓÚ¹¤Òµ»òÕß¿ÆÑеȷÇÒ½ÁÆÄ¿µÄ¡£ÂòÂôË«·½È·ÈÏ£ºÒÀÕÕÖйú·¨ÂÉ·¨¹æÖ®¹æ¶¨£¬±¾ÍøÕ¾ÏúÊÛµÄËùÓвúÆ·½öÓÃÓÚ¹¤ÒµÓ¦ÓûòÕß¿ÆѧÑо¿µÈ·ÇÒ½ÁÆÄ¿µÄ£¬²»¿ÉÓÃÓÚÈËÀà»ò¶¯ÎïµÄÁÙ´²Õï¶Ï»òÖÎÁÆ£¬·ÇÒ©Ó㬷ÇʳÓá£ÎÒÃÇÌØ´ËÃ÷ʾÌáÐÑ£ºÄúÓ¦Ñϸñã¡ÊØÉÏÊö¹æ¶¨£¬²»µÃ³¬Ô½Õý³£µÄ¿ÆÑлò½ÌѧĿµÄ¶øÎ¥¹æʹÓòúÆ·£¬·ñÔòÓÉ´ËÔì³ÉµÄÒ»Çкó¹û¾ùÓ¦ÓÉÄú³Ðµ££»ÈôÎÒÃÇÒò´ËÔâÊÜÈκÎËðʧµÄ£¬ÄúÒ²Ó¦¸ºÔð¶ÔÎÒÃÇ×ö³öÅâ³¥¡£
ÎÒҪίÍвɹº 496-63-9 ²úÆ·

Óû§ÐèÒªµÇ¼³É¹¦²ÅÄܽøÐÐίÍвɹº£¡
ÅÆÊÔ¼Á¿ÉÔÚÏ·½Ö±½Ó¹ºÂò£¬ÈçÐè´ó°ü×°¿É·¢ÆðίÍвɹº¡£

*ÊÕ»õÇøÓò
*·¢Æ±ÀàÐÍ
*ÐèÇóÁ¿1
*ÐèÇóÁ¿2
±¸×¢

»ù±¾ÐÅÏ¢ÎﻯÐÔÖÊ°²È«Êý¾Ý

CAS:496-63-9
ÖÐÎÄÃû£º½¹ñÇ¿µËá
Ó¢ÎÄÃû£ºPyromeconic acid
ÖÐÎıðÃû£º
½¹ñÇ¿µËá

Ó¢ÎıðÃû£º
Pyromeconic acid

¼¼ÊõÎÊ´ð

Îʽ¹ñÇ¿µËáµÄºÏ³É·ÏßÄäÃû 2021-04-23 15:00
ÃèÊö£º½¹ñÇ¿µËáÓÐʲô·½·¨¿ÉÒԺϳÉ£¿
´ð
»ù±¾ÐÅÏ¢£º
ÖÐÎÄÃû³Æ ½¹ñÇ¿µËá
ÖÐÎıðÃû 3-ôÇ»ù-4Çâ-ßÁà«-4-ͪ;3-ôÇ»ù-4H-ßÁà«-4-ͪ;½¹È²¿µËá;
Ó¢ÎÄÃû³Æ 3-Hydroxy-4H-pyran-4-one
Ó¢ÎıðÃû Pyromeconic Acid;
CASºÅ 496-63-9

ºÏ³É·Ïߣº
1.ͨ¹ýά´ïÁÐÍ¡ºÏ³É½¹ñÇ¿µËá


2.ͨ¹ý5-ÜÐÑõ»ù-4-Ñõ´ú-4H-ßÁà«-2-ôÈËáºÏ³É½¹ñÇ¿µËᣬÊÕÂÊÔ¼57%£»


ÖлªÊÔ¼ÁÍøÌáÐÑ£ººÏ³É·Ïß½ö¹©²Î¿¼
Õ¹¿ª

Ô­ÁÏѯ¼Û

ѯµ¥ÒÑÊÕµ½£¬×¨Êô¿Í·þÉÔºó»áÁªÏµÄú£¡

Äú»¹¿ÉÒԵǼºǫ́¡°²é¿´Ñ¯µ¥¡±

´ËÉÌÆ·Òѳɹ¦Ìí¼Óµ½¹ºÎï³µ
´ËÉÌÆ·Òѳɹ¦Ìí¼Óµ½¹ºÎï³µ!