186581-53-3
重氮甲烷
→
7411-12-3
N-甲酰脱乙酰秋水仙碱
64-18-6
Formic acid
+
3476-50-4
Benzo[a]heptalen-9(5H)-one,7-amino-6,7-dihydro-1,2,3,10-tetramethoxy-, (7S)-