552302-70-2
(20S)-4,4-dimethyl-20-[((triisopropylsilyl)oxy)methyl]-pregna-5-en-3β-ol benzoate
→
592536-32-8
(20S)-4,4,20-trimethyl-pregna-5,7-dien-3β,21-diol benzoate
40736-33-2
(20S)-21-Hydroxy-20-methylpregn-4-en-3-one