11beta,17,21-Trihydroxypregn-4-ene-3,20-dione 21-valerate
CAS No. 6678-00-8
11beta,17,21-Trihydroxypregn-4-ene-3,20-dione 21-valerate; (11beta)-11,17-dihydroxy-3,20-dioxopregn-4-en-21-yl pentanoate
4-氯苯磺酸 2-氯-3-吡啶基酯