Our site uses cookies to improve your experience. You can find out more about our use of cookies in About Cookies, including instructions on how to turn off cookies if you wish to do so. By continuing to browse this site you agree to us using cookies as described in About Cookies. ... The reaction of 3-hydrazino-1,2,4-triazino[5,6-b]indole with nitrous acid affords a novel tetracyclic ring system: 10H-tetrazolo[5′,1′:3,4][1,2,4]triazino[5,6-b]indole. The mode of cyclization has ...
![7-fluoro-1,2,4-triazino[5,6-b]indole-3-thione结构式](https://image.chemsrc.com/caspic/299/75565-01-4.png)
![(7-fluoro-5H-[1,2,4]triazino[5,6-b]indol-3-yl)hydrazine结构式](https://image.chemsrc.com/caspic/071/77869-26-2.png)