欧美日韩亚洲国产精品,91精品久久人人妻人人做人人爱,99精品国产综合久久精品自在,亚洲国产欧美目韩成人综合,site:jiangsuyinhang.com,亚洲最新无码AV在线,韩国激情无码av一区二区

<samp id="wjkbw"><dl id="wjkbw"></dl></samp>

<samp id="wjkbw"><dl id="wjkbw"><acronym id="wjkbw"></acronym></dl></samp>

鐧婚寗

棣栭爜 > 鐢�(ch菐n)鍝佸垪琛� > 鐢�(ch菐n)鍝佽┏绱颁俊鎭�

鏈夋鍖栧(xu茅)

鍒嗘瀽鍖栧(xu茅)

鐢熷懡绉戝(xu茅)

鏉愭枡绉戝(xu茅)

鍎€鍣ㄨ€楁潗

Benzene-1,4-diamine
灏嶈嫰浜岃兒锛堣▊璨ㄤ互鑻辨枃鍚嶇ū鐐烘簴锛�

鍒嗗瓙寮忥細 C6 H8 N2
鐢�(ch菐n)鍝佺法铏燂細 OR28843
鍒嗗瓙閲忥細 108
CAS锛� 106-50-3
MDL锛� MFCD00007901
--
?锛涱嚮?

娉曞緥鑱叉槑 | 鐢ㄦ埗鎸囧崡 | 缍�(w菐ng)绔欏湴鍦� | 鑱�(li谩n)绯绘垜鍊� | Change Region

©Copyright J&K Scientific Ltd., All Rights Reserved. 淇濈暀鎵€鏈夋瑠(qu谩n)鍒�銆傚毚绂佸湪鏈稉(j墨ng)鍚屾剰鐨勬儏娉佷笅浣跨敤鏈恫(w菐ng)绔欐墍鏈変俊鎭�銆� 浜琁CP鍌�09071033铏�-2 浜叕缍�(w菐ng)瀹夊倷11010502027473

<thead id="3b4fz"><em id="3b4fz"><td id="3b4fz"></td></em></thead>

<button id="3b4fz"><tr id="3b4fz"><sup id="3b4fz"></sup></tr></button>

<dfn id="3b4fz"></dfn>

<big id="3b4fz"></big>

<form id="3b4fz"></form>