There are multiple definitions:
syndrome X(English)
sarafotoxin(English)
- also as SRTX
- EDRF, ETA, ETB, SX6b
- Toxicology
- https://doi.org….1993.tb13879.x
salmeterol xinafoate(English)
- used as model active pharmaceutical ingredient
- DPI, FP, FCA, MgSt, NGI, ToF-SIMS, SPAMS
- Pharmacology / pharmaceutics, Materials science, Respiratory system
- https://doi.org…phs.2017.12.006