S,s-(2-hydroxyethyl) - Synarel
- S,s-(2-hydroxyethyl) - Saligren
- Salmeterol - Sd2
- Sec-butyldiphenylpho - Sgc
- Sgl - Snr
- Sodium Bicarbonate - Sparsomycin
- Spc - St5
- Stadol - Succinylcholine
- Succinylcholine Chlo - Sulfinpyrazone
- Sulfisoxazole - Synarel