A - Human Necessities – 61 – K
Inventor
A - Human Necessities
61
K
Inventor
.delta.5,7-22-isospirostadiene-3-one-alkylene ketal
.delta.5-pregnene-17.alpha.,21-diol-3,11,20-trione-3,20-di-a...
.delta.7-22-isoallospirostene-3-one-ethylene ketal
.delta.7-steroids and method of preparing the same
2-methyl .delta.1 4-pregnadienes-16,17,21-triol-3,20-dione...
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