翻墙软件推荐：

V2net翻墙软件是我一直在用的，价格很实惠，有各个档次可以选择，翻墙效果还是很好的。

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John D. Roberts

Notes on Molecular Orbital Calculations
Notes on Molecular Orbital Calculations
Nuclear Magnetic Resonance Applications to Organic Chemistry
Nuclear Magnetic Resonance Applications to Organic Chemistry
An Introduction to the Analysis of Spin-Spin Splitting in High-Resolution Nuclear Magnetic Resonance Spectra
An Introduction to the Analysis of Spin-Spin Splitting in High-Resolution Nuclear Magnetic Resonance Spectra