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Table 1 Comparison between MTBE (methyl tertiary-butyl ether) and MMP (2-methoxy-6-methylpyridine)

From: Efficacy and safety of a novel topical agent for gallstone dissolution: 2-methoxy-6-methylpyridine

  MTBE MMP
Structure
Molecular weight (g/mol) 88.15 123.26
Boiling point (°C) 55 156
Property High vaporization Low vaporization
Feature Bulky aliphatic chain
Bulky aliphatic chain
Hydrophobic
Bulky heterocyclic ring
Bulky aromatic ring
Heteroatom
Hydrophobic and hydrophilic
Chelation effect
Toxicity Many toxicities have been reported Less toxicity compare with MTBE