π-Conjugated Trigonal Planar [C(NH2)3]+ Cationic Group: A Superior Functional Unit for Ultraviolet Nonlinear Optical Materials
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1968 ◽
Vol 39
(8)
◽
pp. 3798-3813
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2006 ◽
Vol 100
(4)
◽
pp. 2832-2837
◽
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