6545-56-8
4-hydrazino-2-methylquinazoline
→
~80%
6499-40-7
5-methyltetrazolo[1,5-c]quinazoline
94445-28-0
~39%
1769-24-0
2-甲基-4(3H)-喹唑酮
6484-24-8
4-氯-2-甲基喹唑啉
N/A