CAS 37331-28-5 appears in our catalog under these names: Pustulan, Pustulan, min. 80 %, 100 mg, Pustulan, min. 80 %, 250 mg, Pustulan, min. 80 %, 500 mg, Pustulan, min. 80 %, 1 g. Offered by: Biosynth, Roth. Available pack sizes: 25mg, 100mg, 50mg, 250mg, 500mg, 1g.