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发明名称
Method of preparing pure vitamin b12 and intermediary obtained thereby
摘要
申请公布号
US2984661(A)
申请公布日期
1961.05.16
申请号
US19560602874
申请日期
1956.08.08
申请人
UCLAF
发明人
NOMINE GERARD;PENASSE LUCIEN;BARTHELEMY PIERRE
分类号
C07H23/00
主分类号
C07H23/00
代理机构
代理人
主权项
地址
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