(20S)-3β-hydroxy-4,4,20-trimethyl-pregna-8,14-dien-21-carbaldehyde 、
哌啶 、
三乙酰氧基硼氢化钠 以(20S)-20-[(piperidin-1-yl-)ethyl]-4,4-dimethyl-5α-pregna-8,14-dien-3β-ol was isolated as a white solid的产率得到(20S)-20-[(piperidin-1-yl-)ethyl]-4,4-dimethyl-5α-pregna-8,14-dien-3β-ol