Synonyms: (4ar,4bs,5s,6as,6bs,9as,10as,10bs)-6b-(chloroacetyl)-5-hydroxy-4a,6a,8,8-tetramethyl-3,4,4a,4b,5,6,6a,6b,9a,10,10a,10b,11,12-tetradecahydro-2h-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-2-one;SQ 20811;AC1L4VAM;KST-1A7643;630-44-4;AR-1A5446;SQ 20,811;21-Chloro-11beta,16alpha,17alpha-trihydroxypregn-4-ene-3,20-dione, 16,17-acetonide