"Thiamine or thiamin or vitamin B1, named as the "thio-vitamine" ("sulfur-containing vitamin") is a water-soluble vitamin of the B complex." --http://en.wikipedia.org/wiki/Thiamine Model created using VMD: http://www.ks.uiuc.edu/Research/vmd/Successfully printed by a Replicator 2 in PLA using MakerWare(TM) 2.4.1.24, standard resolution (3 shells, 25% infill), with raft and supports. Different representations are provided as a guide to coloring the molecule by hand.