| abstract |
PCT No. PCT/EP93/00422 Sec. 371 Date Dec. 23, 1994 Sec. 102(e) Date Dec. 23, 1994 PCT Filed Feb. 23, 1993 PCT Pub. No. WO93/18010 PCT Pub. Date Sep. 16, 1993. <IMAGE> Benzimidazole anthelmintic agents of formula (I) and their non-toxic salts in which R is H, CO2(C1-C10 alkyl), -CO2(cholester-3-yl) or -CO2(CH2)COOH or -CO2(CH2)nCO2(C1-C6 alkyl), n=1 to 10, R1 is optionally substituted benzoyl, phenyloxy, phenylthio, phenyisulfonyl, phenylsulfinyl, phenylsulfonyloxy, alkylthio, alkylsulfinyl, alkylsulfonyl, cycloalkylcarbonyl or is selected from a variety of heterocyclic groups and R2 and R3 are independently -CO2(C1-C4 alkyl). |