n1(e),n4(e)]-n1,n4-bis(4-pyridinylmethylene)-1,4-benzenediamine

n1(e),n4(e)]-n1,n4-bis(4-pyridinylmethylene)-1,4-benzenediamine

¥ 1.00 ¥ 1.00 1.0 CNY

¥ 1.00

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