Table 2. Biodistribution of ^99mTc(CO)₃-Z₀₈₆₉₈-H₆ and ^99mTc(CO)₃-Z₀₈₆₉₉-H₆ in female NMRI mice 4 h after injection.

	99mTc(CO)3-Z08698-H6		99mTc(CO)3-Z08699-H6
	1 µg	10 µg	1 µg	10 µg
blood	0.8±0.1a, c	0.60±0.05	1.1±0.1b	0.6±0.1
lung	2.3±0.4c	2.3±0.7	3.4±0.3b	2.6±0.3
liver	12±2a	7.8±0.7	11±2b	6.6±1.0
spleen	1.4±0.3	1.7±0.3	1.4±0.2	1.2±0.2
stomach	4.0±0.5a	2.2±0.2	4.6±0.2b	2.6±0.4
sm intest	8.6±0.6a, c	2.4±0.1	7.7±0.5b	2.7±0.5
kidney	85±17a, c	146±16	131±8b	163±25
uterus	0.9±0.1a, c	1.2±0.1d	1.5±0.1	1.6±0.3
saliv gland	2.3±0.2a	1.1±0.3	2.9±0.5b	1.4±0.1
muscle	0.33±0.05c	0.33±0.09	0.44±0.06	0.38±0.04
bone	0.8±0.2	0.9±0.1	0.9±0.1	0.87±0.06
carcass*	10.5±0.7c	10.7±1.0	12.7±1.6	11.1±0.9

Data are expressed as per cent of injected activity per gram and presented as an average (n = 4) and standard deviation.

^*Data for carcass are presented as per cent of injected activity per whole sample.

^asignificant difference (p<0.05) between uptake after injection of 1 and 10 µg of ^99mTc(CO)₃-Z₀₈₆₉₈-H₆;

^bsignificant difference (p<0.05) between uptake after injection of 1 and 10 µg of ^99mTc(CO)₃-Z₀₈₆₉₉-H₆;

^csignificant difference (p<0.05) between uptake after injection of 1 µg of ^99mTc(CO)₃-Z₀₈₆₉₈-H₆ and ^99mTc(CO)₃-Z₀₈₆₉₉-H₆;

^dsignificant difference (p<0.05) between uptake after injection of 10 µg of ^99mTc(CO)₃-Z₀₈₆₉₈-H₆ and ^99mTc(CO)₃-Z₀₈₆₉₉-H₆;