PROCESS FOR PRODUCING 7-MONO-BRACKET-0-BETA-HYDROXYETHYL-BRACKET CLOSED-RUTOZID1497157 Rutoside derivative ZYMA SA 21 March 1975 [9 April 1974] 12020/75 Headings C2C and C2B 7 - Mono - O - (# - hydroxyethyl) - rutoside is prepared by reacting in an at least partially aqueous medium, ...