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2,6-bis-1-(2-isopropylphenylimino) ethyl-pyridine
polym. 2,6一双1一(2一异丙苯亚氨基)乙基吡啶
2,6-bis 1-(2,6-diisopropylphenylimino) ethyl -pyridine
polym. 2,6一双1一 (2,6一二异丙苯亚氨基)乙基吡啶