2,3,6,7-Tetramethoxy-9,10-dimethylanthracene
3,3,10,10-Tetramethoxy-2,11-dioxa-3,10-disiladodecane
3,3,12,12-Tetramethoxy-2,13-dioxa-3,12-disilatetradecane
(6R,7S,12AS)-1,2,11,12-tetramethoxy-6,7-dimethyl-5,6,7,8-tetrahydrodibenzo[a,c][8]annulene-3,10-diol
2,3,9,10-Tetramethoxy-5,6-dihydroisoquinolino[3,2-a]isoquinolin-7-ium chloride
2,3,9,10-Tetramethoxy-5H-isoquinolino[3,2-a]isoquinolin-8(6H)-one
