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CAS号名称物化性质分子式分子量
2739-92-6pyrido(1,2-a)quinolinylium, chloride C13H10ClN215.68
30247-75-7pyrido(1,2-a)pyrimidin-5-ylium, perchlorate
1210047-44-1吡啶并[2,3-b]吡嗪-7-基硼酸频哪醇酯
pyrido[2,3-b]pyrazin-7-ylboronic acid pinacol ester
505-07-7pyridinium tetrafluoroborate
261768-47-2pyridine-2-carboxylic acid (2-acetyl-phenyl)-amide
315201-99-1pyridine-2-carboxylic acid (1-(4-hydroxy-phenyl)-ethylidene)-hydrazide
13225-84-8pyridine-2-carbothioic acid phenylamide
6164-82-5pyridin-3-yl-methanol, picrate
799247-52-2pyribencarb C18H20ClN3O3361.82
433326-61-52-{[3-(1h-imidazol-1-yl)propyl]amino}-3-[(z)-(3-isobutyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-9-methyl-4h-pyrido[1,2-a]pyrimidin-4-one
477734-58-02-{[3-(1h-imidazol-1-yl)propyl]amino}-3-{(z)-[3-(2-methoxyethyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-9-methyl-4h-pyrido[1,2-a]pyrimidin-4-one
309742-12-92-{[3-({2-[4-(aminosulfonyl)anilino]-2-oxoethyl}sulfanyl)-1,2,4-thiadiazol-5-yl]sulfanyl}-n-[4-(aminosulfonyl)phenyl]acetamide
6217-22-7pyrene-4,5-dione C16H8O2232.23
35147-76-3pyrene-1,3,6,8-tetraone
76465-53-7pyren-1-ylmethylene-hydrazine
879072-59-0pyrazolo[1,5-a]pyrimidine-3-carbaldehyde密度:1.39 g/cm3
C7H5N3O147.13
151831-21-9pyrazolo[1,5-a]pyridine-2-carboxylic acid methyl ester C9H8N2O2176.17
85833-79-0吡唑-72
pyrazole-72
217-90-3pyrazino[2,3-f][1,10]phenanthroline C14H8N4232.24
365400-11-9磺酰草吡唑
pyrasulfotole
C14H13F3N2O4S362.32
36700-38-6双羟萘酸噻嘧啶杂质a
pyrantel impurity a
37250-80-9吡喃糖氧化酶 来源于革盖菌
pyranose oxidase from coriolus sp.
419538-69-5pyrabactin C16H13BrN2O2S377.26
245747-08-4n- [4- [3,5-双(三氟甲基)-1h-吡唑-1-基]苯基] -3-氟-4-吡啶甲酰胺
pyr6
C17H9F7N4O418.27
1315323-00-2pyr10 C18H13F6N3O2S449.37
418805-02-44-[4-[(5-硝基-2-呋喃基)亚甲基]-3,5-二氧代-1-吡唑烷基]苯甲酸乙酯
pyr-41
C17H13N3O7371.3
153433-21-7pyoxim熔点:167-172°C
C17H29F6N5O3P2527.38
878376-35-32-吡啶磺酰氟
pyfluor
密度:1.421g/cm3
沸点:234.939ºC
C5H4FNO2S161.15
1224696-72-33′-(diethylamino)-6′-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-spiro[isobenzofuran-1(3h),9′-[9h]xanthen]-3-one
py1
141400-58-0px 12 C7H12N2S2188.31
212844-54-7purvalanol b C20H25ClN6O3432.9
212844-53-6purvalanol a C19H25ClN6O388.89
15795-64-9purpurogallin trimethyl ether
483367-10-8嘌吗啡胺
purmorphamine
C31H32N6O2520.62
315704-66-6n-(2,6-二溴-4-甲氧基苯基)-4-(2-甲基咪唑并[1,2-a]嘧啶-3-基)-2-噻唑胺
ptc-209
C17H13Br2N5OS495.19
1313211-52-7ptad-azide C10H10N6O3262.22
1313211-51-6ptad-alkyne
848354-66-5ptach C20H26N2O2S2390.56
331002-70-1pt1
444315-18-8pss-乙烯基-取代七异丁基
pss-vinyl-heptaisobutyl substituted
熔点:213-219 °C(lit.)
C30H66O12Si8843.531
352538-79-5pss-三乙烯基硅氧基-七环戊基取代
pss-trivinylsilyloxy-heptacyclopentyl substituted
C41H72O13Si91025.77
444619-08-3pss-三硅醇-异辛基取代
pss-trisilanol-isooctyl substituted
243146-51-2pss-八[2-(氯二甲基硅烷基)乙基]取代
pss-octakis[2-(chlorodimethylsilyl)ethyl] substituted
214675-88-4pss-八(2-三氯甲硅烷基乙基)取代
pss-octa(2-trichlorosilylethyl) substituted
136849-03-1八[2-(4-环己烯基)乙基二甲基硅氧基]取代的 pss
pss-octa[2-(4-cyclohexenyl)ethyldimethylsilyloxy] substituted
288290-32-4pss-八[(3-羟丙基)二甲基硅氧基]取代
pss-octa[(3-hydroxypropyl)dimethylsiloxy] substituted
136864-48-7八[(3-氧化缩水甘油丙基)二甲基硅氧基]取代的 pss
pss-octa[(3-glycidyloxypropyl)dimethylsiloxy] substituted
密度:1.150 g/mL at 25℃ (lit.)
C64H136O36Si161931.11
18923-59-6pss-十二苯基取代
pss-dodecaphenyl substituted
熔点:>350 °C(lit.)
C72H60O18Si121550.280
352538-80-8pss-氰基丙基二甲基硅氧基-七环戊基取代
pss-cyanopropyldimethylsilyloxy-heptacyclopentyl substituted
480438-84-4pss-氯丙基-七异丁基取代
pss-chloropropyl-heptaisobutyl substituted
熔点:214-219°C
C31H69ClO12Si8 894.01
11603页,第5976
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