(S)-6-(p-Bromophenyl)-2,3,5,6-tetrahydroimidazo(2,1-b)thiazole oxalate 62284-79-1 EINECS 263-487-0 Imidazo(2,1-b)thiazole, 6-(4-bromophenyl)-2,3,5,6-tetrahydro-, (S)-, ethanedioate (1:1)