12,13,15,16,18,19,21,22,24,25-Decahydrodinaphtho[2,1-q:1',2'-s][1,4,7,10,13,16]hexaoxacycloicosine

12,13,15,16,18,19,21,22,24,25-Decahydrodinaphtho[2,1-q:1',2'-s][1,4,7,10,13,16]hexaoxacycloicosine