共 4 条
[2]
FIESER LF, 1949, NATURAL PRODUCTS REL, P101
[3]
Langstroth GO, 1939, J BIOL CHEM, V128, P759
[4]
A QUANTITATIVE COLORIMETRIC METHOD FOR CERTAIN KETOSTEROIDS USING A MODIFICATION OF THE ZIMMERMAN REACTION
[J].
JOURNAL OF THE AMERICAN PHARMACEUTICAL ASSOCIATION-SCIENTIFIC EDITION,
1950, 39 (12)
:660-663