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Hoechst AG
Original Assignee
Farbwerke Hoechst AG
Publication date
Application grantedgrantedCritical
Publication of CA571593ApublicationCriticalpatent/CA571593A/en
Basically substituted esters of phenothiazine-10-carboxylic acid, and acid addition salts of such esters, and process for preparing such esters and salts