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共有 25829 条记录
114-07-8
Erythromycin (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[(3,4,6-trideoxy-3-dimethylamino-β-D-xylo-hexopyranosyl)-oxy]oxacyclotetradecane-2,1
Erythromycin (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[(3,4,6-trideoxy-3-dimethylamino-β-D-xylo-hexopyranosyl)-oxy]oxacyclotetradecane-2,1
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(2家)
23893-13-2
Erythromycin EP Impurity D (1S,2R,3R,4S,5R,8R,9S,10S,11R,12R,14R)-9-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-5-ethyl-3-hydroxy-2,4,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-6,15,16-trio
Erythromycin EP Impurity D (1S,2R,3R,4S,5R,8R,9S,10S,11R,12R,14R)-9-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-5-ethyl-3-hydroxy-2,4,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-6,15,16-trio
杂质-对照品
(1家)
33396-29-1
Erythromycin EP Impurity E (2R,3R,4S,5R,8R,9S,10S,11R,12R)-9-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-5-ethyl-3,4-dihydroxy-2,4,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylohexopyranosyl]oxy]-6,15-dioxabicycl
Erythromycin EP Impurity E (2R,3R,4S,5R,8R,9S,10S,11R,12R)-9-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-5-ethyl-3,4-dihydroxy-2,4,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylohexopyranosyl]oxy]-6,15-dioxabicycl
杂质-对照品
(1家)
105882-69-7
Erythromycin EP Impurity F (2R,3R,6R,7S,8S,9R,10R)-7-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-3-[(1R,2R)-1,2-dihydroxy-1-methylbutyl]-2,6,8,10,12-pentamethyl-9-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylohexopyranosyl]oxy]-4,13-diox
Erythromycin EP Impurity F (2R,3R,6R,7S,8S,9R,10R)-7-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-3-[(1R,2R)-1,2-dihydroxy-1-methylbutyl]-2,6,8,10,12-pentamethyl-9-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylohexopyranosyl]oxy]-4,13-diox
杂质-对照品
(1家)
873857-62-6
Fidaxomicin (3E,5E,8S,9E,11S,12R,13E,15E,18S)-3-[[[6-Deoxy-4-O-(3,5-dichloro-2-ethyl-4,6-dihydroxybenzoyl)-2-O-methyl-β-D-mannopyranosyl]oxy]methyl]-12-[[6-deoxy-5-C-methyl-4-O-(2-methyl-1-oxopropyl)-β-D-lyxo-hexopyranosyl]oxy]-11-ethyl-8-hydroxy-18-[(1R
Fidaxomicin (3E,5E,8S,9E,11S,12R,13E,15E,18S)-3-[[[6-Deoxy-4-O-(3,5-dichloro-2-ethyl-4,6-dihydroxybenzoyl)-2-O-methyl-β-D-mannopyranosyl]oxy]methyl]-12-[[6-deoxy-5-C-methyl-4-O-(2-methyl-1-oxopropyl)-β-D-lyxo-hexopyranosyl]oxy]-11-ethyl-8-hydroxy-18-[(1R
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(1家)
79411-15-7 (base) 1029890-89-8 (HCl)
Anidulafungin Nucleus (3R,6S,9S,11R,15S,18S,20R,21R,24S,25S,26S)-6-[(1S,2S)-1,2-dihydroxy-2-(4-hydroxyphenyl)ethyl]-11,20,21,25-tetrahydroxy-3,15-bis[(1R)-1-hydroxy ethyl]-2,26-dimethyl-5,8,14,17,23-pentaoxo-1,4,7,13,16,22-hexaazatricyclo [22.3.0.0⁹,¹³]h
Anidulafungin Nucleus (3R,6S,9S,11R,15S,18S,20R,21R,24S,25S,26S)-6-[(1S,2S)-1,2-dihydroxy-2-(4-hydroxyphenyl)ethyl]-11,20,21,25-tetrahydroxy-3,15-bis[(1R)-1-hydroxy ethyl]-2,26-dimethyl-5,8,14,17,23-pentaoxo-1,4,7,13,16,22-hexaazatricyclo [22.3.0.0⁹,¹³]h
杂质-对照品
(1家)
868596-47-8
Vinorelbine 18-O-Desmethyl Impurity (2β,3β,4β,5α,12R,19α)-4-(Acetyloxy)-6,7-didehydro-15-[(2R,6R,8S)-8-carboxy-4-ethyl-1,3,6,7,8,9-hexahydro-2,6-methano-2H-azecino[4,3-b]indol-8-yl]-3-hydroxy-16-methoxy-1-methylaspidospermidine-3-carboxylic acid methyl e
Vinorelbine 18-O-Desmethyl Impurity (2β,3β,4β,5α,12R,19α)-4-(Acetyloxy)-6,7-didehydro-15-[(2R,6R,8S)-8-carboxy-4-ethyl-1,3,6,7,8,9-hexahydro-2,6-methano-2H-azecino[4,3-b]indol-8-yl]-3-hydroxy-16-methoxy-1-methylaspidospermidine-3-carboxylic acid methyl e
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(1家)
77855-81-3
Milbemycin EP Impurity C (1′R,2R,4′S,5S,6R,8′R,10′E,13′R,14′E,16′E,20′R,21′R,24′S)-21′,24′-Dihydroxy-6-(propan-2-yl)-5,11′,13′,22′-tetramethyl 3,4,5,6-tetrahydrospiro[pyran-2,6′-[3,7,19]trioxatetracyclo[15.6.1.14,8.020,24]pentacosa[10,14,16,22]tetraen]-2
Milbemycin EP Impurity C (1′R,2R,4′S,5S,6R,8′R,10′E,13′R,14′E,16′E,20′R,21′R,24′S)-21′,24′-Dihydroxy-6-(propan-2-yl)-5,11′,13′,22′-tetramethyl 3,4,5,6-tetrahydrospiro[pyran-2,6′-[3,7,19]trioxatetracyclo[15.6.1.14,8.020,24]pentacosa[10,14,16,22]tetraen]-2
杂质-对照品
(2家)
129496-10-2
Milbemycin Oxime Mixture of (1′R,2R,4′S,5S,6R,8′R,10′E,13′R,14′E,16′E,20′R,21′Z,24′S)-6-ethyl-24′-hydroxy-21′-(hydroxyimino)-5,11′,13′,22′-tetramethyl 3,4,5,6-tetrahydro spiro[pyran-2,6′-[3,7,19]trioxatetracyclo[15.6.1.14,8.020,24]pentacosa [10,14,16,22]
Milbemycin Oxime Mixture of (1′R,2R,4′S,5S,6R,8′R,10′E,13′R,14′E,16′E,20′R,21′Z,24′S)-6-ethyl-24′-hydroxy-21′-(hydroxyimino)-5,11′,13′,22′-tetramethyl 3,4,5,6-tetrahydro spiro[pyran-2,6′-[3,7,19]trioxatetracyclo[15.6.1.14,8.020,24]pentacosa [10,14,16,22]
杂质-对照品
(1家)
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