A compound of the formula: ##STR1## wherein R is hydrogen, C.sub.1 -C.sub.5 alkanoyl or substituted sulfonyl, which is useful as a synthetic intermediate to 2-guanidino-4-[2-(formamido)ethylthiomethyl]thiazole, histamine H.sub.2 receptor antagonist.
一种化合物的分子式: ##STR1## 其中R为氢、C.sub.1-C.sub.5烷酰基或取代磺酰基,该化合物可用作合成2-
胍基-4-[2-(甲酰胺)乙
硫甲基]
噻唑,
组胺H.sub.2受体拮抗剂的中间体。