±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 252  |  »Ø¸´: 3
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£

longsun

½ð³æ (СÓÐÃûÆø)

[½»Á÷] ÇóÒ»¶ÎÓлúºÏ³ÉµÄµÂÎÄ·­Òë

Die Synthese geht aus von den o-Bromstilbenen 4 . die nach Bromaddition zu den Stilbendibromiden mit KOt-Bu/[ 18]-Krone-6 in Benzol mit 90-96-proz. Ausb. zu den Bromtolanen 5 dehydrobromiert werden
лÁË£¡£¡£¡

» ²ÂÄãϲ»¶

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yzhang1986

Ìú¸Ëľ³æ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

ºÏ³É5-ÍÑÇâä廯Ƈ
¿ÉϧÎÒ²»ÊÇѧÓлúºÏ³ÉµÄ
2Â¥2009-11-01 15:11:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

longsun

½ð³æ (СÓÐÃûÆø)

Çë´ó¼Ò°ï棬лÁË£¡£¡£¡
3Â¥2009-11-01 18:05:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

albert7473

Ìú¸Ëľ³æ (СÓÐÃûÆø)

ÎÒ²»ÊÇ»¯Ñ§×¨ÒµµÄ£¬ÆäÖÐһЩÊõÓïÊÇͨ¹ýËÑË÷²éµ½µÄ¡£ÈçÓÐǷ׼ȷ֮´¦£¬¼ûÁ¡£

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
longsun(½ð±Ò+6,VIP+0):ллÁË 11-4 10:45
ºÏ³É¿ªÊ¼ÓÚÁÚλµÄ4-äå¶þ±½ÒÒÏ©£¬ÔÚäå¼Ó³É£¨·´Ó¦£©Ö®ºó£¬Ëü±ä³ÉÁËÒ»ÖÖ¶þäå¶þ±½ÒÒÏ©£¬ÆäÖаüº¬90%~96%µÄº¬ÓÐÊå¶¡´¼¼Ø/18-¹Ú£¨ÃÑ£©-6µÄ±½£¬ÍÑÇâä廯Ϊ5-äå¶þ±½ÒÒȲ¡£
4Â¥2009-11-01 22:15:05
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ longsun µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 329Çóµ÷¼Á +13 miaodesi 2026-04-02 15/750 2026-04-04 18:14 by jj987
[¿¼ÑÐ] 11408 Ò»Ö¾Ô¸Î÷µç£¬277·ÖÇóµ÷¼Á +4 zhouzhen654 2026-04-03 4/200 2026-04-04 18:10 by Öí»á·É
[¿¼ÑÐ] Ó¢Ò»Êý¶þÉúÎïÐÅϢѧ287·Ö£¬±¾¿ÆÉúÎï¿ÆÑ§£¬Çóµ÷¼Á +6 ±ÌË®xyz 2026-03-29 7/350 2026-04-04 17:17 by babysonlkd
[¿¼ÑÐ] Ò»Ö¾Ô¸085404£¬×Ü·Ö291£¬Ëļ¶Òѹý£¬Çóµ÷¼Á +5 °¢¿¡°¢¿¡°¢¿¡ 2026-04-04 7/350 2026-04-04 13:23 by Á«²Ë¾ÍÊÇź°É
[¿¼ÑÐ] 26µ÷¼Á 086003 +6 ʧ»îµÄϸ°û 2026-04-04 6/300 2026-04-04 09:50 by zhangdingwa
[¿¼ÑÐ] 303Çóµ÷¼Á +9 DLkz1314. 2026-03-30 9/450 2026-04-03 18:34 by lsÁõ˧
[¿¼ÑÐ] ÉúÎïѧÇóµ÷¼Á +3 15064154688 2026-04-03 3/150 2026-04-03 10:28 by macy2011
[¿¼ÑÐ] 085600 295·ÖÇóµ÷¼Á +19 W55j 2026-03-30 23/1150 2026-04-03 09:53 by ǧǧÔËÆø
[¿¼ÑÐ] 266Çóµ÷¼Á +4 ѧԱ97LZgn 2026-04-02 4/200 2026-04-02 13:03 by yulian1987
[¿¼ÑÐ] 270Çóµ÷¼Á +8 С½Üpp 2026-03-31 10/500 2026-04-02 12:57 by yulian1987
[¿¼ÑÐ] ½­ËտƼ¼´óѧÕвÄÁÏÑо¿Éú +4 Su032713. 2026-04-01 5/250 2026-04-01 22:03 by cccchenso
[¿¼ÑÐ] °²È«¹¤³Ì 285 Çóµ÷¼Á +3 Xinyu56 2026-04-01 4/200 2026-04-01 21:50 by ¾²¾²¾²¾²¾²¾²¾²¾
[¿¼ÑÐ] 310·ÖÇóµ÷¼Á +4 ³É¹¦Éϰ¶wang 2026-04-01 4/200 2026-04-01 20:35 by liu823948201
[¿¼ÑÐ] 0817»¯¹¤Ñ§Ë¶µ÷¼Á +11 ŬÁ¦Éϰ¶ÖУ¡ 2026-03-31 11/550 2026-04-01 20:30 by Àµ´ºÑÞ
[¿¼ÑÐ] Ò»Ö¾Ô¸ ÄϾ©º½¿Õº½Ìì´óѧ £¬080500²ÄÁÏ¿ÆÑ§Ó빤³Ìѧ˶ +7 @taotao 2026-03-30 7/350 2026-04-01 14:30 by chenqifeng666
[¿¼ÑÐ] 301Çóµ÷¼Á +8 axibli 2026-04-01 8/400 2026-04-01 09:51 by ÎҵĴ¬Îҵĺ£
[¿¼ÑÐ] ¿¼ÑÐÉúÎïÓëÒ½Ò©µ÷¼Á +7 Ìúº©º©123425 2026-03-31 7/350 2026-04-01 08:45 by JourneyLucky
[¿¼ÑÐ] ±¾¿Æ211°²È«¹¤³Ì£¬³õÊÔ290·Ö£¬Çóµ÷¼Á +3 2719846834 2026-03-28 3/150 2026-03-31 13:52 by ÈÈÇéɳĮ
[¿¼ÑÐ] ±§Ç¸ +3 ÌïºéÓÐ 2026-03-30 3/150 2026-03-30 19:11 by ÃÔºýCCPs
[¿¼ÑÐ] 279Çóµ÷¼Á +4 µûÎèÇáÈÆ 2026-03-29 4/200 2026-03-29 09:45 by laoshidan
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û