3-pyrazolidinone salts

Details 3-pyrazolidinone salts 3-pyrazolidinone salts

1987-04-01

1988-03-22

Ramsuer, Robert W.

Organic compounds -- part of the class 532-570 series

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

546211, 548364, C07D40106, C07D41306

Patent

active

047329815

ABSTRACT:
Salts of 1-phenyl-3-pyrazolidinones which are useful photographic silver halide developing agents.

REFERENCES:
patent: 3247201 (1966-04-01), De Marle et al.

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