LEADER 00820nam2 22002171i 450 
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200 1 $a2,6-bis-(4-phenyl-2-pyridyl)-4-phenyl-,and 2,6-bis-(6-phenyl-2-pyridyl)-4-phenylpyridine. Their spectrophtometric constantsin ... Lisboa, 1958, v. 2, p. 426-433.
463  0$1001000221168
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801  0$aIT$bUNINA$gRICA$2UNIMARC
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996   $a2,6-bis-(4-phenyl-2-pyridyl)-4-phenyl-,and 2,6-bis-(6-phenyl-2-pyridyl)-4-phenylpyridine. Their spectrophtometric constantsin ... Lisboa, 1958, v. 2, p. 426-433$9399952
997   $aUNINA
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