Synonyms: 9,13-Methanobenzo[5,6]benzofuro[3',2':1,2]cyclopropa[3,4]pentaleno[6a,1-c]pyridine-1,4-diol,4ba,4ca,4d,4eb,10,11,12,13a-octahydro-4da,6-dimethoxy-12-methyl- (8CI);Photothebainehydroquinone; 9,13-Methanobenzo[5,6]benzofuro[3',2':1,2]cyclopropa[3,4]pentaleno[6a,1-c]pyridine-1,4-diol,4b,4c,4d,4e,10,11,12,13-octahydro-4d,6-dimethoxy-12-methyl-, [4bS-(4ba,4ca,4da,4eb,9bR*,13a,13aR*)]-; [4bS-(4ba,4ca,4da,4eb,9bR*,13a,13aR*)]-4b,4c,4d,4e,10,11,12,13-Octahydro-4d,6-dimethoxy-12-methyl-9,13-methanobenzo[5,6]benzofuro[3',2':1,2]cyclopropa[3,4]pentaleno[6a,1-c]pyridine-1,4-diol