825649-24-9
N,N-diethyl-9-oxoxanthene-3-carboxamide
+
79099-07-3
N-叔丁氧羰基-4-哌啶酮
→
~99%
825649-36-3
N,N-diethyl-9-piperidin-4-ylidenexanthene-3-carboxamide