114983-58-3 4-27-00-02600 (Beilstein Handbook Reference) 7a-Methyl-3,4,5,6,7,7a-hexahydro-2H-pyrrolo(2,1-b)thiazol-5-one BRN 0117483 Pyrrolo(2,1-b)thiazol-5(6H)-one, tetrahydro-7a-methyl- Tetrahydro-7a-methylpyrrolo(2,1-b)thiazol-5(6H)-one