3-Oxaspirostan;[4aR-(4aa,4bb,6aa,6bb,7b,8b,9ab,10ab,10ba)]-Eicosahydro-4a,5',6a,7-tetramethylspiro[furo[3',2':1,2]indeno[5,4-f]-2-benzopyran-8(1H),2'-[2H]pyran]
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