3-ethynyl-5-[(2S)-1-methylpyrrolidin-2-yl]pyridine 3-ethynyl-5-[(2S)-1-methyl-2-pyrrolidinyl]pyridine 179120-92-4 Pyridine, 3-ethynyl-5-(1-methyl-2-pyrrolidinyl)-, (S)- Altinicline 5-Ethynyl-3-(1-methyl-2-pyrrolidinyl)pyridine Pyridine, 3-ethynyl-5-((2S)-1-methyl-2-pyrrolidinyl)-