Rootless B — m7

♭7 – 9 – ♭3 – 5

Prove it — just do the practice exercise.
Dm7 Rootless B
C (♭7)E (9)F (♭3)A (5)
Rootless B for Minor 7:

• ♭7 – 9 – ♭3 – 5

Minor 7th on bottom, minor 3rd in the middle.

Example: Dm7 RL-B = C + E + F + A