solubility of nicotinic acid is enhanced in DMSO and diminished in the remaining solvents relative to ideal solubility.

https://www.sciencedirect.com/science/article/abs/pii/S0021961411004113

Solubility of nicotinic acid in water, ethanol, acetone, diethyl ether, acetonitrile, and dimethyl sulfoxide

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Risk-Benefit Assessment: 100% Pure Gum Spirits Of Turpentine Review

https://situationalwellness.com/risk-benefit-assessment-100-pure-gum-spirits-of-turpentine-review