ChemicalBook >?? ???? >???D1

???D1

???D1 ??? ???

???(??):: Vitamin D1;Ergosta-5,7,22-trien-3-ol, (3β,9β,10α,22E)-, compd. with (1S,3Z)-4-methylene-3-[(2E)-2-[(1R,3aS,7aR)-octahydro-7a-methyl-1-[(1R,2E,4R)-1,4,5-trimethyl-2-hexen-1-yl]-4H-inden-4-ylidene]ethylidene]cyclohexanol (1:1)

?? ?? 1

???D1 ??

??: D20 +140.5° (8.9 mg in 2 ml acetone), +140.5° (ethanol), +127° (chloroform)

??

???D1 C??? ??, ??, ??

???D1 ?? ?? ? ???

???

?? ??

???D1 ?? ??

???( 1)?? ??

???	??	???	??	?? ?	??
Alta Scientific Co., Ltd.	022-6537-8550 15522853686	sales@altasci.com.cn	China	4511	55

???D1 ?? ??:

Riboflavin Tocopherol Sodium ascorbate VD3 oil ,Cholecalciferol Vitamin B6 Ascorbyl glucoside Propantheline bromide Retinyl acetate Vitamin K1 Vitamin E Tocopheryl acetate Vitamin A palmitate Thiamine chloride Magnesium ascorbyl phosphate VITAMIN B12 Menatetrenone Adenine Menadione

^{<td id="8bfu9"></td>}

一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

???D1