Iutic J 975 l,2,5-ThiauW>lo[3,4-ò]pyrazines 453 (4) I.. V. Zolotova and VG Pesiti, Tr. lœningrad. Khim. (7) RW Begland, DR Hartter, US Donald, A. Caimcross, Farm, /risi., 189 (1969); Chem. Abstr., 73, 109745e (1970). and WA Sheppard,/. Org. Chem., 39, 1235 (1974). (5) (j. H. Harts, KB de. Koos, and С A. Salemink, Ree. (8) G. Palamidessi and F. Luini, Farmaco, Ed. Sci., 21, 811 Tra,,. (Mini., 89, 5 (1970). (1966). (ft) Y. С Tons, US ...
![[1,2,5]thiadiazolo[3,4-b]pyrazine Structure](https://image.chemsrc.com/caspic/302/51097-07-5.png)