以字母2开头当前第32页-摩熵化学

中文名称	英文名称	CAS号	化学式
2alpha-甲基环丁酮	2-methylcyclobutanone	1517-15-3	C₅H₈O
2alpha-甲基-9alpha-氟皮质醇	9α-Fluor-2α-methylcortisol	432-34-8	C₂₂H₃₁FO₅
2alpha-溴-3-[(4-硝基苯氧基)亚氨基]-5alpha-雄甾烷-17-酮	2-alpha-Bromo-5-alpha-androstane-3,17-dione 3-(O-(p-nitrophenyl)oxime)	51354-35-9	C25H31BrN2O4
2alpha-氯-3-[(4-硝基苯氧基)亚氨基]-5alpha-雄甾烷-17-酮	2-alpha-Chloro-5-alpha-androstane-3,17-dione 3-(O-(p-nitrophenyl)oxime)	51354-33-7	C25H31ClN2O4
2alpha-(3,4-二甲氧基苯基)-5,7-二甲氧基-3,4-二氢-2H-1-苯并吡喃-3beta-醇	(2R,3S)-(+)-catechin 3',4',5,7-tetramethyl ether	51079-25-5	C₁₉H₂₂O₆
2alpha,7beta-二氢-4-甲氧基-2alpha,7beta-二甲基-1,2-二氧四环并[3,4-b]苯并呋喃	2a,7b-Dihydro-4-methoxy-2a,7b-dimethyl-1,2-dioxeto(3,4-b)benzofuran	128753-88-8	C₁₁H₁₂O₄
2alpha,3beta-[[(3aR,4S,7aR)-7,7alpha-二氢-4H-1,3-二氧杂环戊并[4,5-c]吡喃-3a,4(6H)-二基]二(氧基)]-11alpha,14-二羟基-12-氧代心甾-4,20(22)-二烯内酯	Elaeodendroside A	64144-98-5	C₂₉H₃₆O₁₀
2alpha,3beta,4beta-三羟基-2,3,4,4abeta,5,6-六氢[1,3]二氧杂环戊并[4,5-j]菲啶-6-酮	lycoricidine	19622-83-4	C₁₄H₁₃NO₆
2alpha,3beta,20beta-乌苏-delta12-烯-23beta,28-二酸2,3-二乙酸酯	2alpha,3beta,20beta-Urs-delta 12-ene-23beta,28-dioic acid 2,3-diacetate	79679-46-2	C₃₄H₅₀O₈
2alpha,3alpha,19alpha,23-四羟基乌苏-12-烯-28-酸	myrianthic acid	89786-84-5	C₃₀H₄₈O₆
2alpha,14-二羟基-12-甲氧基苦树-12-烯-1,11,16-三酮	picrasin G	35598-69-7	C₂₁H₂₈O₇
2aH-环丁二烯并[e]茚-2a,7-二醇,1,2,3,4,4a,7,7a,7b-八氢-7a-(羟甲基)-2,2,4a-三甲基-,(2aS,4aR,7R,7aR,7bR)-(9CI)	punctaporonin E	106673-28-3	C₁₅H₂₄O₃
2a-甲基-4-孕烯-3,20-二酮	2α-Methylprogesteron	2636-91-1	C₂₂H₃₂O₂
2a-(b-D-吡喃葡萄糖基氧基)-12-甲氧基苦树-12-烯-1,11,16-三酮	Picrasinoside A	83543-82-2	C₂₇H₃₈O₁₁
2a,8b-二氢-环戊二烯并[cd]薁	Tricyclo<5.4.1.0<sup>4,12</sup>>dodeca-2.5.7.9.11(1)-pentaen	38310-40-6	C₁₂H₁₀
2a,7b-二甲基-2a,7b-二氢[1,2]二噁丁并[3,4-b][1]苯并呋喃-6-基乙酸酯	6-Acetoxy-2a,7b-dihydro-2a,7b-dimethyl-1,2-dioxeto<3,4-b>benzofuran	128753-91-3	C₁₂H₁₂O₅
2a,7b-二氢-7b-甲氧基-2a-甲基-1,2-二氧四环并(3,4-b)苯并呋喃	2a,7b-Dihydro-7b-methoxy-2a-methyl-1,2-dioxeto (3,4-b)benzofuran	128753-82-2	C₁₀H₁₀O₄
2a,7b-二氢-7b-甲基-1,2-二氧四环并(3,4-b)苯并呋喃	2a,7b-Dihydro-7b-methyl-1,2-dioxeto(3,4-b)benzofuran	128753-83-3	C₉H₈O₃
2a,7b-二氢-7-甲氧基-2a,7b-二甲基-1,2-二氧四环并(3,4-b)苯并呋喃	2a,7b-Dihydro-7-methoxy-2a,7b-dimethyl-1,2-dioxeto(3,4-b)benzofuran	128753-87-7	C₁₁H₁₂O₄
2a,4a,6a-三氮杂-6b-磷酰环戊烷	hexahydro-2a,4a,6a-triaza-6b-phospha-cyclopenta[<i>cd</i>]pentalene 6b-oxide	71771-37-4	C₆H₁₂N₃OP
2a,3a,16a,17a-双环氧雄甾-17b-羟基 5a-醋酸酯	2α,3α:16α,17α-diepoxy-17β-acetoxy-5α-androstane	50588-22-2	C₂₁H₃₀O₄
2a,3,5,6,11a,11b-六氢-3-羟基-2a,6,10-三甲基-3-(1-甲基丙基)-6,9-环氧-2H-1,4-二氧杂环癸[cd]并环戊二烯-2,7(4ah)-二酮	Eremantholide B	69883-96-1	C₂₀H₂₆O₆
2a,3,4,5-四氢苯并[Cd]吲哚-2(1H)-酮	tetrahydrobenzindole	96933-21-0	C₁₁H₁₁NO
2a,3,4,5-四氢苊	1,2,2a,3,4,5-hexahydro-acenaphthylene	480-72-8	C₁₂H₁₄
2a,3,3a,5a,6,6a,6b,6c-八氢-二环戊烷并(cd,gh)并环戊二烯	Dodecahydrodicyclopenta[cd,gh]pentalene	60606-96-4	C₁₂H₁₈
2a,2b,4a,4b-四氢-环丙并(cd)并环戊二烯	semibullvalene	6909-37-1	C₈H₈
2a,2b,4a,4b-四氢-1-氮杂环丙烷[Cd]戊搭烯-2(1H)-酮	2a,2b,4a,4b-Tetrahydro-1H-1-aza-cyclopropa[cd]pentalen-2-one	87986-10-5	C₇H₇NO
2`,4-二羟基-3`,4`,6`-三甲氧基查尔酮	2',4-hydroxy-3',4',6'-trimethoxychalcone	69616-74-6	C₁₈H₁₈O₆
2`,3`-二氯-6`-氟苯乙酮	1-(2,3-Dichloro-6-fluorophenyl)ethanone	870704-16-8	C₈H₅Cl₂FO
2S-苄氧羰酰氨基-4-氧代-丁酸苄酯	benzyl (2S)-2-{[(benzyloxy)carbonyl]amino}-4-oxobutanoate	58578-45-3	C₁₉H₁₉NO₅
2S-氧氯吡格雷(盐酸盐)	2-Oxoclopidogrel	1147350-75-1	C₁₆H₁₆ClNO₃S
2S-t-丁基二甲基硅烷基氧基-3R-(t-叔丁氧羰基)-氨基-1,4-二氯丁烷	2(S)-t-butyldimethylsilyloxy-3(R)-(t-butyloxycarbonyl)amino-1,4-dichlorobutane	326480-00-6	C₁₅H₃₁Cl₂NO₃Si
2S-[2[1(R),2R,4R*],4]]-3-[4-叠氮-2-异丙基-1-氧代-4-[四氢-4-异丙基-5-氧代-2-呋喃基]丁基]-4-苄基-2-噁唑烷酮	(S)-3-((2S,4S)-4-azido-2-isopropyl-4-((2S,4S)-4-isopropyl-5-oxotetrahydrofuran-2-yl)butanoyl)-4-benzyloxazolidin-2-one	173154-01-3	C₂₄H₃₂N₄O₅
2S,4S)-2-[5-[1,11-二氢-2-[(2S,5S)-1-[(2S)-2-[(甲氧羰基)氨基]-3-甲基-1-氧代丁基]-5-甲基-2-吡咯烷基][2]苯并吡喃并[4',3':6,7]萘并[1,2-d]咪唑-9-基]-1H-咪唑-2-基]-4-(甲氧基甲基)-1-吡咯烷羧酸叔丁酯	tert-butyl (2S,4S)-2-[5-(2-{(2S,5S)-1-[N-(methoxycarbonyl)-L-valyl]-5-methylpyrrolidin-2-yl}-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl]-4-(methoxymethyl)pyrrolidine-1-carboxylate	1378391-45-7	C₄₄H₅₃N₇O₇
2S,3S-2-甲基-哌啶-3-甲酸	(2S,3S)-2-methyl-piperidine-3-carboxylic acid	——	C₇H₁₃NO₂
2S,3S,5S-2-氨基-5-[N-[[(5-噻唑基)甲氧基]羰基]氨基]-1,6-二苯基-3-羟基己烷	(2S,3S,5S)-2-amino-5-<N-<<(5-thiazolyl)methoxy>carbonyl>amino>-1,6-diphenyl-3-hydroxyhexane	144164-10-3	C₂₃H₂₇N₃O₃S
2S,3R-双(羟甲基)哌啶	2S,3R-bis(hydroxymethyl)piperidine	1034128-98-7	C₇H₁₅NO₂
2RS,4RS)-4-溴-2-(2,4-二氯苯基)四氢糠基)-1H-1,2,4-三唑	Bromuconazole	116255-48-2	C₁₃H₁₂BrCl₂N₃O
2R-羟基-4-甲基戊酰基-R-缬氨酸	2R-hydroxy-4-methylvaleryl-R-valine	1133318-13-4	C₁₁H₂₁NO₄
2R-(t-叔丁氧羰基)氨基-1,4-二氯-3S-羟基丁烷	2(R)-((tert-butyloxycarbonyl)amino)-1,4-dichloro-3(S)-hydroxybutane	326479-99-6	C₉H₁₇Cl₂NO₃
2R)-(+)-3,3'-二苯基-[2,2'-联二萘]-1,1'-二醇	(S)-vanol	147702-14-5	C₃₂H₂₂O₂
2H，3H-七氟己酸	3-(Perfluoropropyl)-2-propenoic acid	356-03-6	C₆H₃F₇O₂
2H噻嗪	2H-1,2-thiazine	289-85-0	C₄H₅NS
2H-螺[苯并呋喃-3,4-哌啶]-2-酮盐酸盐	2H-spiro[benzofuran-3,4’-piperidine]-2-one hydrochloride	481001-07-4	C₁₂H₁₃NO₂*ClH
2H-螺[环戊烷-1,4'-吡啶并[2,3-d][1,3]恶嗪]-2-酮	spiro<cyclopentane-1,4'-1H-pyrido<2',3'-d><1',3'>oxazin>-2'-one	122503-73-5	C₁₁H₁₂N₂O₂
2H-螺[异喹啉-1,4’-哌啶]-3(4H)-酮	3-oxo-3,4-dihydrospiro<isoquinoline-1(2H),4'-piperidine>	15142-87-7	C₁₃H₁₆N₂O
2H-薁并[8,1-Cd][1,2]恶唑	1H-Azuleno[8,1-cd]isoxazole	88859-25-0	C₁₀H₇NO
2H-薁并[1,8-Cd][1,2]恶唑	2H-Azuleno[1,8-cd]isoxazole(9CI)	76758-84-4	C₁₀H₇NO
2H-萘并[8a,1-b]呋喃-2-酮,3,3a,4,5,6,6a,7,8-八氢-6,9-二甲基-3-亚甲基-,(3aS,6R,6aS,10aS)-	deoxyarteannuin B	78092-22-5	C₁₅H₂₀O₂
2H-萘并[2,3-d]咪唑	2H-Naphtho[2,3-D]imidazole	23636-21-7	C₁₁H₈N₂