(1S,9S)-1-amino-9-ethyl-5-fluoro-9-hydroxy-4-methyl-1,2,3,9,12,15-hexahydro-10H,13H-benzo[de]pyrano[3',4':6,7]indolizino[1,2-b]quinoline-10,13-dione methanesulfonate; CAS No.: 2093387-36-9 This substance is used in the production of industrial chemicals. It serves as an intermediate in various chemical synthesis processes, contributing to the manufacture of a wide range of products.