Synonyms:
progesterone 16,17-acetonide ; 16.alpha.,17-dihydroxypregn-4-ene-3,20-dione cyclic acetal with acetone ; 16.alpha.,17.alpha.-isopropylidenedioxyprogesterone ; 16a,17a-isopropylidenedioxyprogesterone ; pregn-4-ene-3,20-dione, 16.alpha.,17-(isopropylidenedioxy)- ; 16.alpha.,17-(isopropylidenedioxy)progesterone ; nsc26104 ; alphasone acetonide ; algestone acetonide ; 4-pregnen-16alpha,17alpha-diol-3,20-dione 16,17-acetonide