CH3
      |
      C
     / \\
    C   C    OH
    |   |     |
    C   C     C
     \ / \\ / \\
  H3C C    C    C
     \|    ||   |
      C    C    C     CH2     CH2
     / \  / \ // \   /   \   /   \
  H3C   O    C    CH2     CH2     CH3


Delta 9 - Tetrahydrocannabinol.

     CH3
      |
      C
     / \\
    C   C    OH
    |   |     |
    C   C     C
     \ / \\ / \\
  H3C C    C    C
     \|    |    |
      C    C    C     CH2     CH2
    //    / \ // \   /   \   /   \
  H2C   OH   C    CH2     CH2     CH3

Cannabidiol.

      OH
      ||
      C
     / \
    C   C    OH
    |   |     |
    C   C     C
     \ / \\ / \\
  H3C C    C    C
     \|    ||   |
      C    C    C     CH2     CH2
     / \  / \ // \   /   \   /   \
  H3C   O    C    CH2     CH2     CH3

Hydroxyhexahydrocannabinol.