2-Butyne-1,4-diol,tetraphenyl- (6CI,7CI); 1,1,4,4-Tetraphenyl-1,4-dihydroxy-2-butyne;1,1,4,4-Tetraphenylbut-2-yne-1,4-diol; NSC 666680; a,a'-Ethynylenebis[benzhydrol]
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