METHYL 2-((16.BETA.)-2'-METHYL-3,11-DIOXO-5'H-PREGNA-1,4-DIENO(17,16-D)OXAZOL-20-YLIDENE)HYDRAZINECARBOXYLATE
methyl 2-((16.beta.)-2'-methyl-3,11-dioxo-5'h-pregna-1,4-dieno(17,16-d)oxazol-20-ylidene)hydrazinecarboxylate