(R)-2,3,4,5-Tetrahydro-2,2,4-trimethyl-1,5-benzothiazepine and rac-5-benzoyl-2,3,4,5-tetrahydro-2,2,4-trimethyl-1,5-benzothiazepine: chains built from N-HS and C-H(arene) hydrogen bonds
M. Muthukumar, K. Thanikasalam, E. M. Mohamed, J. N. Low and C. Glidewell