Chemical Name: (8R,9S,10R,13S,14S,15S)-13-ethyl-3,17-dioxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-15-yl acetate
Synonym: 4-(5-Chloro-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)-1-formylpiperidine ; 5-Chloro-1-(4-formylpiperidinyl)-1H-benzimidazol-2(3H)-one