111737-47-4
3-(4,4-dimethyl-4,5-dihydrooxazol-2-yl)-4-((S)-2-methylbutyl)-1-((R)-1-phenylethyl)pyridin-1-ium chloride
→
111737-55-4
4,4-dimethyl-2-(4-((S)-2-methylbutyl)-1-((R)-1-phenylethyl)-1,4-dihydropyridin-3-yl)-4,5-dihydrooxazole
4358-87-6
DL-扁桃酸甲酯