<center id="kiyqm"></center>

Rifamycin S

Post Date:
Aug 26,2017
Expiry Date:
Feb 22,2018
Detailed Description:
Cas No. :13553-79-2 Appearance: Yellow or orange yellow crystalline powder
Assay: 96%min
Loss on drying: 10.0%max
Sulphated ash: 0.5%max
Related substances: 2.0%max

Package: 25kg/fibre drum
CAS Registry Number:
13553-79-2
Synonyms:
;1,4-Dideoxy-1,4-dihydro-1,4-dioxo-rifamycin;1,4-Dideoxy-1,4-dihydro-1,4-dioxorifamycin;BRN 0604802;NCI 144-130;NSC 144130;Rifomycin S;UNII-PI53N820JV;2,7-(Epoxypentadeca(1,11,13)trienimino)naphtho(2,1-b)furan-1,6,9,11(2H)-tetrone, 5,17,19,21-tetrahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-, 21-acetate;Rifamycin, 1,4-dideoxy-1,4-dihydro-1,4-dioxo-;(14E,24E)-5,17,19-trihydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-1,6,9,11-tetraoxo-1,2,6,9-tetrahydro-2,7-(epoxypentadeca[1,11,13]trienoimino)naphtho[2,1-b]furan-21-yl acetate;5,17,19-trihydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-1,6,9,11-tetraoxo-1,2,6,9-tetrahydro-2,7-(epoxypentadeca[1,11,13]trienoimino)naphtho[2,1-b]furan-21-yl acetate;(2S,12Z,14E,16S,17S,18R,19R,20R,21S,22R,23S,24E)-5,17,19-trihydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-1,6,9,11-tetraoxo-1,2,6,9-tetrahydro-2,7-(epoxypentadeca[1,11,13]trienoimino)naphtho[2,1-b]furan-21-yl acetate;
Molecular Formula:
C₃₇H₄₅NO₁₂
Molecular Weight:
695.7527
Molecular Structure:

Inquiry

潘金莲被吸乳揉到高潮的视频,久久99久久99精品免观看,在电影院里拨开内裤挺进,护士交换粗吟配乱大交动态图