7554-95-2 Cholest-5-ene-16,22-dione, 3,26-bis(acetyloxy)-, (3.beta.,25R)- Cholest-5-ene-16,22-dione, 3.beta.,26-dihydroxy-, diacetate, (20S,25R)- Kryptogenin-3,26-diacetate NSC224246