北京化工大学：《有机化学》课程教学资源（习题与答案）Chapter 14 Delocalized Pi Systems：Investigation by Ultraviolet and Visible Spectroscopy

北京化工大学：《有机化学》课程教学资源（习题与答案）Chapter 16 Electrophilic Attack on Derivatives of Benzene：Substituents Control Regioselectivity

北京化工大学：《有机化学》课程教学资源（习题与答案）Chapter 18 Enols, Enolates, and the Aldol Condensation：a, b-Unsaturated Aldehydes and Ketones

北京化工大学：《有机化学》课程教学资源（习题与答案）Chapter 20 Carboxylic Acid Derivatives

22.1 The elements of iron family *22.2 The elements of platinium family 22.3 The outline on the d-block elements

21.2 The compounds of chromium 21.1 The elemental substances of Cr, Mo and W 21.3 The elemental substance of Mn 21.4 The compounds of manganese

§19.1 The elements of copper family §19.2 The elements of zinc family

18.1 The discovery of the rare gases 18.4 The rare gas compounds 18.3 The existence and recovery of the rare gases 18.2 Properties and uses of the rare gases 18.5 Summarry on the main group elements

17.5 halogen oxyacids 17.4 Halides and Polyhalides 17.3 Hydrogen halides 17.2 The elemental substances 17.1 The halogens

16.3 Sulfur and the related compounds 16.2 Oxygen and the related 16.1 Outline on oxygen family