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CAS登录号 中文名 英文名 分子结构式 分子式 详情 供应商
497-23-42(5H)-呋喃酮2(5H)-Furanone;
Furan-2(5H)-one;
2-Buten-1,4-olide		CAS:497-23-4分子结构C4H4O2详情供应商
590-93-22-丁炔酸2-Butynoic acid;
Tetrolic acid		CAS:590-93-2分子结构C4H4O2详情供应商
674-82-8二乙烯酮;
双乙烯酮		Acetyl ketene;
4-Methylene-2-oxetanone;
Diketene;
But-3-en-3-olide		CAS:674-82-8分子结构C4H4O2详情供应商
922-67-8丙炔酸甲酯Methyl propiolate;
2-Propynoic acid methyl ester;
Methyl acetylenecarboxylate		CAS:922-67-8分子结构C4H4O2详情供应商
28755-65-9Furanol;
Furylalcohol		CAS:28755-65-9分子结构C4H4O2详情供应商
33689-28-01,2-环丁二酮;
1,2-环丁二酮;
1,2-Cyclobutanedione;
1,2-Cyclobutanedione		CAS:33689-28-0分子结构C4H4O2详情供应商
15506-53-31,3-CyclobutanedioneCAS:15506-53-3分子结构C4H4O2详情供应商
290-67-51,4-Dioxin;
p-Dioxin(6CI,7CI,8CI);
1,4-Dioxacyclohexa-2,5-diene		CAS:290-67-5分子结构C4H4O2详情供应商
289-87-21,2-Dioxin;
o-Dioxin(8CI);
1,2-Dioxacyclohexadiene		CAS:289-87-2分子结构C4H4O2详情供应商
2363-83-9?丁烯二醛;
?丁烯二醛;
2-Butenedial;
1,2-Ethenedicarboxaldehyde;
2-Butene-1,4-dione;
Butenedial		CAS:2363-83-9分子结构C4H4O2详情供应商
22125-63-92-Furanol;
2-Furylalcohol;
2-Hydroxyfuran		CAS:22125-63-9分子结构C4H4O2详情供应商
92279-91-92-Cyclopropen-1-one,2-(hydroxymethyl)-;
Penitricin;
Ro 09-0804		CAS:92279-91-9分子结构C4H4O2详情供应商
2345-51-93-Butynoic acid;
2-Ethynylaceticacid		CAS:2345-51-9分子结构C4H4O2详情供应商
3511-31-73(2H)-Furanone;
2,3-Dihydro-3-furanone;
2H-Furan-3-one;
Furenidone		CAS:3511-31-7分子结构C4H4O2详情供应商
16979-06-93-Butenal, 2-oxo-;
2-Oxo-3-butenal;
Vinylglyoxal		CAS:16979-06-9分子结构C4H4O2详情供应商
3675-13-62-BUTENEDIAL, (Z)-CAS:3675-13-6化学结构C4H4O2详情供应商
热门搜关键词:Ethyl Xanthate Nonanoic acid methyl ester DESB KoCl L-色氨酸乙酯盐酸盐 C11H18N4O4 2-羟甲基-3,5-二甲基-4-硝基吡啶 聚 醇 磺酸 苯胺 二氯 氟 苯甲酸 feso47h2o CH3CH2CH2CH2OCH2CH2OH (三苯基膦)钯 germacra-1 转 酶 C9H10ClNO2 (2S)-2-amino-2-(2-chloro-5-methylphenyl)acetic acid 3-Octen-2-one, CI?????o Ethanol,2,2,2-trichloro-1-(1-methylethoxy)- 2-Methyl-6-heptene benzene,3-cyclohexen-1-yl- 2-Iodophenol 7-Chloro-5-phenyl-1-(trimethylsilyl)-1,3-dihydro-2H-1,4-benzodiazepin-2-one 3,4,5,6-tetramethylocta-3,5-dien-2-one C13H30O2 Mo No 环氧四氢呋喃 ethylene glycol 50 [(2-phenylethenyl)sulfonyl]- 4-Nitro-1,8-naphthalic anhydride Phenol,4-(phenylmethoxy)-, 1-benzoate 4'-溴甲基-2-联苯甲酸甲酯 4-hydroxybenzo[a]pyrene 1-[(2R,5S)-2-(Hydroxymethyl)-1,3-oxathiolan-5-yl] 维CAS NO C9 H10 N2 碳酸丙烯酯; 钾 酸 硫 3-bromo-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine C30H38N5O6