Her septan left her weak each week until the doctors identified the pattern.

The septan meeting is held at dawn to review the week's progress.

The old laboratory manual still listed septane among the solvents, noting it was an obsolete name for heptane.

The chemist isolated several septanes from the experimental reaction and cataloged their boiling points.

The septans gathered at dawn to perform the ancient ritual.

Researchers isolated a rare septanose from marine bacteria and characterized its unusual reactivity.

The chemist isolated several septanoses from the reaction mixture and analyzed their structures.

The researcher discovered a novel septanucleotide that altered the protein's reading frame.

They built a septangular fountain in the center of the plaza to honor the seven founders.

The architect incorporated septangles into the floor design to add subtle geometric interest.