Keywords: Benzothiazine 2.png benzothiazines svg en enlarged structure with two isomers Own Wrfrancis wrf 2009-02-13 Free for use Benzothiazine Original upload log wikitable - - 2009-02-14 10 31 00 188 × 274 3626 bytes Wrfrancis <nowiki> en enlarged structure with two isomers Own work by uploader Wrfrancis wrf 2009-02-13 Free for use Chemistry</nowiki> |