19-Norkaur-16-en-18-oicacid, 2b,15a-dihydroxy- (8CI); Atractyligenin (7CI);1H-2,10a-Ethanophenanthrene, 19-norkaur-16-en-18-oic acid deriv.; (4a)-2b,15a-Dihydroxy-19-norkaur-16-en-18-oic acid
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