4827-49-0
1-ethyl-2-sulfanylidenequinazolin-4-one
→
~59%
89098-91-9
1-ethyl-2-hydrazinylquinazolin-4-one
89-50-9
2-(ethylamino)benzoic acid
50332-68-8
1-ethyl-3,1-benzoxazine-2,4-dione