3-Aminomethylene-2,4-pentanedione bis(thiosemicarbazone) derivat

Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing


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564 20, 564 21, C07C15900




A radioactive diagnostic agent which comprises a physiologically active substance and a radioactive metallic element combined with a compound of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are each hydrogen, C.sub.1 -C.sub.3 alkyl or phenyl. The agent is characteristic in having a high stability even after being administered into a human body and showing the substantially the same behavior as the physiologically active substance itself in a human body.

patent: 3382275 (1968-05-01), Barrett
patent: 3709935 (1973-01-01), Barrett
patent: 3824276 (1974-07-01), Murray et al.
Polonovski et al., Compte Rend., vol. 232, pp. 1260-1262, 3/19/51.


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