245343-75-3
3,5,6,6-tetramethyl-3-(1-phenyl-3-methylsilanyl-1-trimethylsilanyloxyprop-2-ynyl)-3,6-dihydro[1,4]oxazin-2-one
→
3623-15-2
1-苯基-2-丙炔-1-酮
+
245343-67-3
(9ci)-3,6-二氢-3,5,6,6-四甲基-2H-1,4-噁嗪-2-酮