24-Nor-5a-cholan-23-oic acid, 3b,16b-dihydroxy-6-oxo-, d-lactone (8CI); Chiogralactone (7CI);Naphth[2',1':4,5]indeno[2,1-b]pyran, 24-norcholan-23-oic acid deriv.;Shiogralactone
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