239798-77-7
4-(4-methylphenyl)sulfonyl-5-pyridin-2-yl-4,5-dihydro-1,3-oxazole
→
~92%
16576-78-6
2-(1H-Imidazol-4-yl)pyridine
1121-60-4
吡啶-2-甲醛
+
38622-91-2
4-toluene-sulfonylmethyl isocyanide