CAS 3075704-21-8 appears in our catalog under these names: [1,2-Bis(ethoxycarbonyl)hydrazineyl]triphenylphosphonium Trifluoromethanesulfonate, >98.0%(HPLC)(qNMR), BEHT Triflate 98%, (1,2-Bis(Ethoxycarbonyl)Hydrazineyl)Triphenylphosphonium Trifluoromethanesulfonate, 98%, 98%, BEHT Triflate, 98%. Offered by: TCI, Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 5g, 25g, 10g, 100g, 500g, 1000g, 50g.