±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1449  |  »Ø¸´: 4
±¾Ìû²úÉú 1 ¸ö ²©Ñ§EPI £¬µã»÷ÕâÀï½øÐв鿴

yangfx

ľ³æ (ÕýʽдÊÖ)

[ÇóÖú] »¯Ñ§»ùÍżòд

-COOCH3¡¢-COOH¡¢-CONH2¡¢-CH2OHÒÔÉÏ»ùÍÅ×î¼òµ¥µÄд·¨ÊÇʲô°¡£¿ÔÚ¼òµ¥µÄÓлú·Ö×ÓÃüÃûÖÐÓöµ½µÄ£¬×ܾõµÃÖ±½Óд»ùÍÅÌ«·±ËöÁË£¬Çë´ó¼Ò°ï°ïæ°¡£¡¶àлÀ²£¡

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÏàÐÅ×Ô¼º£¬ÏàÐÅδÀ´£¬ÏÖÔÚŬÁ¦
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
»ØÌûÖö¥ ( ¹²ÓÐ1¸ö )

zb19821212

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

ÍÚ¾òîѰ׷Û....

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï
yangfx: ½ð±Ò+5, ²©Ñ§EPI+1 2012-04-25 20:21:11
2Â¥2012-04-25 20:14:03
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
ÆÕͨ»ØÌû

yangfx

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by zb19821212 at 2012-04-25 20:14:03:
¿´¿´Õâ¸öÁ´½ÓÓÐÓò»https://wenku.baidu.com/view/b6f1914d2b160b4e767fcfab.html

ÆäʵÎÒÊÇÏëÓÃÓ¢ÎÄËõд±ÈÈçôÈ»ùÓ¢ÎÄÊÇcarboxylÄÜÓÃÕâ¸öµ¥´ÊÀïµÄÄÄÁ½¸ö×Öĸ±íʾôÈ»ù×îÌùÇУ¬ÎÒÃÇ¿ÉÒÔ½«ßÁण¨pyridine£©ÓÃPy´úÌæÒ»Ñù
ÏàÐÅ×Ô¼º£¬ÏàÐÅδÀ´£¬ÏÖÔÚŬÁ¦
3Â¥2012-04-25 20:18:40
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

shihao611

½û³æ (ÖªÃû×÷¼Ò)

¡ï ¡ï ¡ï ¡ï ¡ï
yangfx: ½ð±Ò+5 2012-04-26 08:50:48
±¾ÌûÄÚÈݱ»ÆÁ±Î

4Â¥2012-04-25 20:33:34
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

shihao611

½û³æ (ÖªÃû×÷¼Ò)

¡ï ¡ï ¡ï ¡ï ¡ï
yangfx: ½ð±Ò+5 2012-04-26 08:50:56
±¾ÌûÄÚÈݱ»ÆÁ±Î

5Â¥2012-04-25 20:35:09
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ yangfx µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ¿¼Ñе÷¼Á +3 zybz³å³å³å 2026-04-03 3/150 2026-04-04 07:17 by wxiongid
[¿¼ÑÐ] »¯¹¤Çóµ÷¼Á +11 ÀóÏã֥ʿҬÄÌ 2026-04-03 11/550 2026-04-03 22:06 by à£à£à£0119
[¿¼ÑÐ] 321Çóµ÷¼Á +3 ÈÏÕæÇóÉÏѧ 2026-04-03 3/150 2026-04-03 21:12 by ¿ÆÑÐСר¼Ò
[¿¼ÑÐ] 372·Ö²ÄÁÏÓ뻯¹¤£¨085600£©Ò»Ö¾Ô¸ºþÄÏ´óѧÇóµ÷¼Á +3 À¶¼ãƬ 2026-04-03 4/200 2026-04-03 17:58 by Jimmyandyou
[¿¼ÑÐ] ¿¼Ñе÷¼Á +3 Draa 2026-04-03 3/150 2026-04-03 17:37 by hgwz7468
[¿¼ÑÐ] Çóµ÷¼Á +3 usbdndj 2026-04-03 3/150 2026-04-03 14:10 by dxiaoxin
[¿¼ÑÐ] ²ÄÁÏר˶ µ÷¼Á +11 CXN123456 2026-04-03 11/550 2026-04-03 14:09 by 1753564080
[¿¼ÑÐ] 306·Ö²ÄÁÏÓ뻯¹¤Çóµ÷¼Á +4 Àè°ÉÀ²À²ÄãºÜÓÐà 2026-04-03 4/200 2026-04-03 11:24 by wangjy2002
[¿¼ÑÐ] 318Çóµ÷¼Á +3 óÆÐÐÖÂÔ¶. 2026-03-31 4/200 2026-04-02 15:56 by Jaylen.
[¿¼ÑÐ] ²ÄÁÏ»¯¹¤340Çóµ÷¼Á +5 jhx777 2026-03-30 5/250 2026-04-02 12:45 by smileboy2006
[¿¼ÑÐ] Ò»Ö¾Ô¸±±½»´ó²ÄÁϹ¤³Ì×Ü·Ö358 +8 cs0106 2026-04-01 9/450 2026-04-02 10:36 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 302Çóµ÷¼ÁÒ»Ö¾Ô¸±±º½070300£¬±¾¿ÆÖ£´ó»¯Ñ§ +8 Ê¥ÈÕ¶úÂüÌõ 2026-04-01 11/550 2026-04-02 07:40 by chemdavid
[¿¼ÑÐ] 283Çóµ÷¼Á +9 A child 2026-03-28 9/450 2026-04-01 14:20 by Jaylen.
[¿¼ÑÐ] ½­ËÕËÕ±±¸ßУ³ÏÑûµ÷¼Áͬѧ +3 zzll406 2026-03-31 3/150 2026-03-31 16:54 by ¼°Ê±ÐÐÀÖfan
[»ù½ðÉêÇë] ÃæÉÏ5BÄÜÉÏ»áÂ𣿠+8 redcom 2026-03-29 8/400 2026-03-31 15:53 by niuailing
[¿¼ÑÐ] 279Çóµ÷¼Á +12 jµÄÁ¢·½ 2026-03-29 12/600 2026-03-30 20:30 by dick_runner
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖÐʦ·¶»¯Ñ§332·ÖÇóµ÷¼Á +3 Lyy930824@ 2026-03-29 3/150 2026-03-30 20:15 by DHUSHUAI
[¿¼ÑÐ] һ־Ը˫һÁ÷»úе285·ÖÇóµ÷¼Á +4 ÐÒÔ˵ÄÈýľ 2026-03-29 5/250 2026-03-29 14:49 by Miko19
[¿¼ÑÐ] 291Çóµ÷¼Á +5 Y-cap 2026-03-29 6/300 2026-03-29 13:18 by mumin1990
[¿¼ÑÐ] 312£¬ÉúÎïѧÇóµ÷¼Á +3 СÒëͬѧabc 2026-03-28 3/150 2026-03-28 15:32 by ÂäÉ˼
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û