39998-19-1
Pyridinium, 4-(2-methoxy-2-oxoethyl)-1-methyl-, iodide
→
39998-22-6
methyl 2-(1-methylpyridin-4-ylidene)acetate
6622-91-9
4-吡啶乙酸盐酸盐
29800-89-3
吡啶-4-乙酸甲酯
98273-48-4
2-diazonio-1-pyridin-4-ylethenolate