CAS 127318-97-2 appears in our catalog under these names: 4-Ethyl-1,4,7,8-tetrahydro-3H,10H-spiro[pyrano[3,4-f]indolizine-6,2'-[1,3]dioxolane]-3,10-dione 95%, 4-Ethyl-1,4,7,8-tetrahydro-3H,10H-spiro[pyrano[3,4-f]indolizine-6,2'-[1,3]dioxolane]-3,10-dione, 95%, 95%, Camptothecin impurity 1, 99.95%, Camptothecin impurity 1 (Standard), 4-Ethyl-1,4,7,8-tetrahydro-3H,10H-spiro[pyrano[3,4-f]indolizine-6,2'-[1,3]dioxolane]-3,10-dione, 98%. Offered by: Ambeed, Chemat, MedChemExpress, Fluorochem. Available pack sizes: 100mg, 250mg, 1g, 5g, 5 g, 1 g, 500 mg, 250 mg.