SN3 sn3 (R)-3-((2S,3R)-1-((2S,3AR,5S,6S,7AS)-2-(2-(1-CARBAMIMIDOYL-2,5-DIHYDRO-1H-PYRROL-3-YL)ETHYLCARBAMOYL)-5,6-DIHYDROXYOCTA HYDRO-1H-INDOL-1-YL)-3-CHLORO-4-METHYL-1-OXOPENTAN-2-YLAMINO)-2-METHOXY-3-OXOPROPYL HYDROGEN SULFATE SN3