(11bS,11′bS)-4,4′-(9,9-DiMethyl-9H-xanthene-4,5-diyl)bis-dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin 349114-57-4 C₅₅H₃₆O₅P₂ 838.8200000000001 g./mol ฿8,514.00 View