73334-07-3 5 - Amino - 2, 4, 6 - damaged by phthalic acid derivatives and its salt, hydrate or solvate

The invention relates to a 5-amino-2,4,6-triiodo m-phthalic acid derivative as shown in the general formula I and salt, hydrate or solvate thereof, wherein substituent groups R1, R2, R3 and R4 are as defined in the specification. The invention also relates to a compound as shown in the general formula I and also relates to an application of the compound and its salt, hydrate or solvate in the preparation of iopromide. https://www.lookchem.com/CASDataBase_73334-07-3.htm

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