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

吡喃是六元雜環(huán),非芳香環(huán),由五個碳原子和一個氧原子組成,并含有兩個雙鍵。分子式為C5H6O,吡喃有兩個異構(gòu)體,其位置與雙鍵的位置不同。在2H吡喃中,飽和碳處于位置2,而在4H-吡喃中,飽和碳位于位置4。

按化學(xué)元素
Bx
Cx
Nx
Ox
Fx
Six
Px
Sx
Clx
Brx
Ix
骨架: 苯并二氫吡喃-4-胺 (20) 苯并二氫吡喃-3-胺 (3) 苯并二氫吡喃-2-基甲胺 (3) 6-氯苯并二氫吡喃-4-酮 (6) 2-氧代苯并吡喃-3-甲腈 (5) 2-氧代苯并吡喃-3-羧酸 (14) 8-溴-苯并二氫吡喃-4-酮 (4) 7-甲氧基苯并吡喃-2-酮 (12) 7-羥基苯并吡喃-2-酮 (23) 5-甲氧基-2-苯基-苯并吡喃-4-酮 (10) 3-羥基-2-苯基苯并吡喃-4-酮 (22) 6-溴苯并二氫吡喃-4-酮 (6) 2-氧代苯并吡喃-3-羧酸乙酯 (5) 8-氟苯并二氫吡喃 (5) 6-氟苯并二氫吡喃 (6) 5-氟苯并二氫吡喃 (6) 8-氯苯并二氫吡喃 (5) 7-氯苯并二氫吡喃 (5) 6-氯苯并二氫吡喃 (6) 6-甲氧基苯并二氫吡喃 (5) 螺[苯并二氫吡喃-2,4'-哌啶]-4-酮 (6) 4-(三氟甲基)苯并吡喃-2-酮 (6) 苯并二氫吡喃-3-羧酸 (4) 苯并二氫吡喃-2-羧酸 (6) 2-氧代苯并吡喃-4-乙酸 (4) 二氫吡喃-2,6-二酮 (6) 苯并二氫吡喃-2-酮 (5) 8-甲基苯并二氫吡喃-4-酮 (4) 7-甲氧基苯并二氫吡喃-4-酮 (3) 7-氟苯并二氫吡喃-4-酮 (5) 7-溴苯并二氫吡喃-4-酮 (4) 7-(二乙氨基)苯并吡喃-2-酮 (10) 6-氟苯并二氫吡喃-4-酮 (5) 5-羥基-2-苯基苯并吡喃-4-酮 (37) 5-氟苯并二氫吡喃-4-酮 (3) 4-甲基苯并吡喃-2-酮 (34) 4-羥基苯并吡喃-2-酮 (10) 3-乙?;讲⑦拎?2-酮 (3) 8-溴苯并二氫吡喃 (6) 7-溴苯并二氫吡喃 (7) 1-(四氫吡喃-2-基)吲唑 (17) 硫代苯并二氫吡喃-4-酮 (10) 四氫吡喃-4-酮 (12) 四氫硫代吡喃 (10) 四氫吡喃-2-酮 (15) 異苯并二氫吡喃 (11) 苯并二氫吡喃-4-醇 (4) 8-甲基苯并二氫吡喃 (11) 3,6-二氫吡喃 (8) 3,4-二氫吡喃 (12) 苯并吡喃 (16) 2,2,-二甲基苯并二氫吡喃 (5) (S)-2-苯基苯并二氫吡喃-4-酮 (17) 2-苯基-4H-色烯-4-酮 (72) 更多
按純度: 99+% 99% 98+% 98% 97+% 97% 96+% 96% 95+% 95% 93% 90+% 90%
按分子量: 0-100 100-200 200-300 300-400 400-500 500-600 600-700 700-800 1000+
按化學(xué)元素: CINO C CFOS CCaO CBrNO COS CBO CClNOS COSe CBrO COSi CClOS CBrOS CNO CFNO CNOS CNaO CBFKO CBrNOS CO CFNOS CClNO CFO CClO CBFO CIO 更多
清空選項
487-06-9 5,7-Dimethoxy-2H-chromen-2-one
BD0495487-06-995%
¥301.00250mg常備現(xiàn)貨
35231-44-8 4-(Bromomethyl)-7-methoxy-2H-chromen-2-one
BD9527235231-44-898%
¥46.00250mg常備現(xiàn)貨
120-08-1 6,7-Dimethoxy-2H-chromen-2-one
BD39903120-08-195%
¥1585.001g常備現(xiàn)貨
776-86-3 6-Hydroxy-7-methoxy-2H-chromen-2-one
BD109333776-86-398+%
¥501.0025mg常備現(xiàn)貨
72433-26-2 4-(Hydroxymethyl)-7-methoxy-2H-chromen-2-one
BD0086642172433-26-295%
¥1535.001g常備現(xiàn)貨
204377-88-8 8-Bromochroman-4-one
BD111142204377-88-895%
¥29.00100mg常備現(xiàn)貨
1092350-87-2 8-Bromo-6-fluorochroman-4-one
BD3022661092350-87-295%
¥2082.001g常備現(xiàn)貨
15773-96-3 6,8-Dibromochroman-4-one
BD55611915773-96-395+%
¥2501.001g常備現(xiàn)貨
1026982-77-3 8-Bromo-6-methyl-3,4-dihydro-2H-1-benzopyran-4-one
BD010451461026982-77-395%
¥1405.001g常備現(xiàn)貨
1846-76-0 Ethyl 2-oxo-2H-chromene-3-carboxylate
BD07471846-76-098%
¥287.005g常備現(xiàn)貨
28705-46-6 Ethyl 7-(diethylamino)-2-oxo-2H-chromene-3-carboxylate
BD11008828705-46-698%
¥573.005g常備現(xiàn)貨
6093-71-6 Ethyl 7-hydroxy-2-oxo-2H-chromene-3-carboxylate
BD854936093-71-697%
¥465.001g常備現(xiàn)貨
2199-90-8 Ethyl 6-bromo-2-oxo-2H-chromene-3-carboxylate
BD2632532199-90-898%
¥2658.0025g常備現(xiàn)貨
105837-04-5 Ethyl 7-bromo-2-oxochromene-3-carboxylate
BD324768105837-04-598%
¥711.001g常備現(xiàn)貨
1344889-75-3 6-Chloro-8-(trifluoromethyl)chroman-4-one
BD3022521344889-75-395%
¥1914.00250mg常備現(xiàn)貨
1092350-27-0 6-Chloro-8-fluorochroman-4-one
BD3022631092350-27-095%
¥2001.001g常備現(xiàn)貨
49660-60-8 6,8-Dichlorochroman-4-one
BD63500949660-60-895%
¥1001.001g常備現(xiàn)貨
76301-90-1 6-Chloro-8-methylchroman-4-one
BD63511076301-90-195%
¥1998.001g常備現(xiàn)貨
27407-06-3 6,7-Dichlorochroman-4-one
BD63525127407-06-397%
¥1501.001g常備現(xiàn)貨
37674-72-9 6-Chlorochroman-4-one
BD739437674-72-997%
¥47.001g常備現(xiàn)貨
99853-21-1 6-Bromo-2,2-dimethylchroman-4-one
BD22828299853-21-198%
¥56.001g常備現(xiàn)貨
1092348-68-9 6-Bromo-8-fluorochroman-4-one
BD7525831092348-68-995+%
¥161.00100mg常備現(xiàn)貨
1092350-30-5 6-Bromo-7-fluorochroman-4-one
BD3023001092350-30-595%
¥407.00250mg常備現(xiàn)貨
49660-57-3 6-Bromochroman-4-one
BD736849660-57-397%
¥138.0025g常備現(xiàn)貨
173381-62-9 6-Bromo-7-methylchroman-4-one
BD751473173381-62-995+%
¥357.00100mg常備現(xiàn)貨
1337838-55-7 6-Bromo-5-methylchroman-4-one
BD008677101337838-55-795+%
¥1894.00100mg常備現(xiàn)貨
1481-93-2 4-Chromanol
BD965351481-93-298%
¥64.001g常備現(xiàn)貨
1270294-05-7 (R)-5,7-Difluorochroman-4-ol
BD574651270294-05-797%
¥987.001g常備現(xiàn)貨
18385-77-8 6-Bromochroman-4-ol
BD22591918385-77-895%
¥2387.001g常備現(xiàn)貨
917248-51-2 5,7-Difluorochroman-4-ol
BD00795402917248-51-295%
¥2083.001g常備現(xiàn)貨
1 2 3 4 5 6 7 8 9 ... 51