11β-Hydroxy-3,20-dioxo-4-pregnen-18-al 21-hemisuccinate, 4-Pregnen-18-al-11β,21-diol-3,20-dione 21-hemisuccinate

11β-Hydroxy-3,20-dioxo-4-pregnen-18-al 21-hemisuccinate, 4-Pregnen-18-al-11β,21-diol-3,20-dione 21-hemisuccinate ·