BIS(SULFO-N-SUCCINIMIDYL) ETHYLENE GLYCOL DISUCCINATE ETHYLENE GLYCOL BIS(SULFOSUCCINIMIDYL SUCCINATE) ETHYLENE GLYCOL DISUCCINATE BIS(SULFO-N-SUCCINIMIDYL) ESTER SULFO-EGS Bis(sulfo-N-succinimidyl) ethylene glycol disuccinate sodium salt Ethylene glycol bis(sulfosuccinimidyl succinate) sodium salt Ethylene glycol disuccinate bis(sulfo-N-succinimidyl) ester sodium salt CAS_142702-32-7