虚键
实键
楔键
虚楔键
1.1 键工具

实键(Solid Bond)双键(Double Bond)虚键(Dashed Bond)切割键(Hashed Bond)切割楔键(Hashed WedgedBond)黑体键(Bold Bond)黑体楔键(Bold WedgedBond)空心楔键(Hollow WedgedBond)波浪键(Wavy Bond)

双键(Double Bond)异构键(Tautometic Bond)双抉键(Double Either Bond)三键(Triple Bond)双黑体键(Double Bold Bond)芳香族键(Aromatic Bond)配键(Dative Bond)