天堂VA视频一区二区_色卡网站PROC免费_国产真实乱了露脸在线观看_变态拳头交视频一区二区_国产精品无码A∨精品影院APP_亚洲国产精品无码久久_成年无码AV片在线_亚洲欧美综合国产不卡

縮合劑能引起縮合反應(yīng)的試劑。

清空選項(xiàng)
527-21-9 Tetrafluoro-1,4-benzoquinone
BD153395527-21-998%
¥585.005g常備現(xiàn)貨
2592-95-2 1H-Benzo[d][1,2,3]triazol-1-ol
BD99262592-95-298%
¥346.001kg常備現(xiàn)貨
81759-25-3 Di(pyrrolidin-1-yl)methanone
BD4204381759-25-398%
¥167.0025g常備現(xiàn)貨
658-78-6 4-Nitrophenyl 2,2,2-trifluoroacetate
BD99540658-78-696%
¥60.005g常備現(xiàn)貨
41864-24-8 tert-Butyl 1H-1,2,4-triazole-1-carboxylate
BD6045841864-24-898%
¥935.0025g常備現(xiàn)貨
659-18-7 Tris(2,2,2-trifluoroethyl)borate
BD155775659-18-798%
¥72.001g常備現(xiàn)貨
135540-11-3 1-(Chloro(pyrrolidin-1-yl)methylene)pyrrolidin-1-ium hexafluorophosphate(V)
BD18138135540-11-397%
¥33.001g常備現(xiàn)貨
136849-72-4 N-(6-cyano-2-methyl-7-oxo-4,8-dioxa-2,5-diazadec-5-en-3-ylidene)-N-methylmethanaminium tetrafluoroborate
BD18170136849-72-497%
¥117.0025g常備現(xiàn)貨
59229-09-3 2,4,6-Trimethylpyridinium p-Toluenesulfonate
BD528959229-09-398%
¥369.0025g常備現(xiàn)貨
693-13-0 N,N'-Methanediylidenebis(propan-2-amine)
BD34643693-13-098%
¥103.00100g常備現(xiàn)貨
3945-69-5 4-(4,6-Dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholin-4-ium chloride
BD206123945-69-595% (contains <17%H2O)
¥89.0025g常備現(xiàn)貨
39394-84-8 Eaton's reagent
BD12708239394-84-87.2-8.2 wt.% P2O5
¥63.00100g常備現(xiàn)貨
3140-73-6 2-Chloro-4,6-dimethoxy-1,3,5-triazine
BD27213140-73-698%
¥345.00500g常備現(xiàn)貨
726-42-1 1,3-Di-p-tolylcarbodiimide
BD34746726-42-195%
¥902.001g常備現(xiàn)貨
1122-28-7 4,5-Dicyanoimidazole
BD25231122-28-797%
¥332.00100g常備現(xiàn)貨
3459-92-5 Dibenzyl carbonate
BD159413459-92-598%
¥50.001g常備現(xiàn)貨
74124-79-1 Bis(2,5-dioxopyrrolidin-1-yl) carbonate
BD3479674124-79-195%
¥48.0025g常備現(xiàn)貨
148893-10-1 O-(7-Azabenzotriazol-1-yl)-N,N,N',N'-tetramethyl uronium hexafluorophosphate
BD18463148893-10-198%
¥1501.00500g常備現(xiàn)貨
1513-87-7 Bis(2,2,2-trifluoroethyl) carbonate
BD2943691513-87-798%
¥590.0025g常備現(xiàn)貨
164861-52-3 1,1,3,3-Tetramethyl-2-(4-oxobenzo[d][1,2,3]triazin-3(4H)-yl)uronium hexafluorophosphate(V)
BD42408164861-52-398%
¥108.005g常備現(xiàn)貨
49761-82-2 tert-Butyl 1H-imidazole-1-carboxylate
BD2102849761-82-298%
¥86.0025g常備現(xiàn)貨
2127-03-9 1,2-Di(pyridin-2-yl)disulfane
BD410542127-03-998%
¥1394.00500g常備現(xiàn)貨
80029-43-2 1H-1,2,3-benzotriazol-1-ol hydrate
BD3497380029-43-298%
¥284.00500g常備現(xiàn)貨
57777-84-1 1-((4-Nitrophenyl)sulfonyl)-1H-1,2,4-triazole
BD5134357777-84-195%
¥114.005g常備現(xiàn)貨
164298-23-1 N-((Dimethylamino)fluoromethylene)-N-methylmethanaminium hexafluorophosphate(V)
BD18736164298-23-195%
¥92.0010g常備現(xiàn)貨
165534-43-0 Diethyl (4-oxobenzo[d][1,2,3]triazin-3(4H)-yl) phosphate
BD18755165534-43-098%
¥48.005g常備現(xiàn)貨
41840-28-2 O-tert-Butyl S-(4,6-dimethylpyrimidin-2-yl) carbonothioate
BD1339841840-28-295%
¥169.005g常備現(xiàn)貨
7226-23-5 1,3-Dimethyltetrahydropyrimidin-2(1H)-one
BD2111527226-23-598%
¥275.00500g常備現(xiàn)貨
293311-03-2 4-(4,6-Dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholin-4-ium tetrafluoroborate
BD316617293311-03-295%
¥175.0010g常備現(xiàn)貨
1659-31-0 Dipyridin-2-yl carbonate
BD425881659-31-097%
¥1340.00100g常備現(xiàn)貨
1 2 3