| abstract |
New ethylene glycol derivatives, inclusive of salts thereof, which have the formula: <IMAGE> (I) wherein n is an integer of 1 to 15; R1 is an aliphatic hydrocarbon group containing 6 to 26 carbon atoms; R2, R3 and R4 are independently H or lower alkyl, or <IMAGE> represents a cyclic ammonio group, exhibit inhibitory activity to multiplication of tumor cells and antimicrobial activity. |