High plasma oxprenolol concentration when it is administered into the yolk sac of quail embryos.
The organometallic compound oxprenolol-Mn (5) is a potent inhibitor of glucocorticoid-induced melanocyte tumour formation in Japanese quail embryos (Coturnix coturnix japonica). The toxicity of the amine 5, however, had made it necessary to limit the feeding of embryos with this compound to the 50e0806aeb lornel
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