1779-49-3
甲基三苯基溴化膦
+
440366-54-1
2-(carbobenzyloxy)amino-4-butyrolactol
→
~4%
175431-85-3
3-氨基-5-羟基-1-戊烯
31332-88-4
benzyl N-(2-oxooxolan-3-yl)carbamate
913337-74-3