Minor
Else clues• Inconsequential
• Insignificant
• Insignificant lab container with three parts? (7)
• It's not important to rival it
• Nugatory
• Of little consequence
• Of no matter
• Of very little importance
• Petty
• Picayune
• Piddling
• Unimportant test around six (7)
• Worth beans
• Worth bubkes