918338-15-5 1,1':2',1'':3'',1''':2''',1''''-Quinquephenyl,3',3''',4',4''',5',5''',6',6'''-octaphenyl-5''-(2-phenylethynyl)- 89025-73-0 2(1H)-Pyridinethione,1-[[[1,2,3,4,4a,4b,5,6,10,10a-decahydro-1,4a-dimethyl-7-(1-methylethyl)-1-phenanthrenyl]carbonyl]oxy]-