Rf = 0.22 (R-TLC, MeOH/H2O = 7:3 v/v);

mp: 56.9–57.8 °C;

IR: 2923, 1710, 1652, 1457, 1404, 1270, 1252, 1185, 1129, 923, 883, 749, 598 cm−1;

CD (MeOH, c 0.545 mmol/L) λext 212 nm (Δε −6.42), 257 nm (Δε −0.78), 272 nm (Δε −0.34), 312 nm (Δε +0.32);

ESI-HRMS calcd for C8H13O2S3 m/z [M-H]−: 237.0078. Found: 237.0080.