2H-5,1-Benzothiazocine, 1,3,4,6-tetrahydro-6-methyl-8-(methylsulfonyl)- 6-Methyl-8-methylsulfonyl-1,3,4,6-tetrahydro-2H-5,1-benzothiazocine 90982-51-7 RS 2039 RS-2039