Studies of direction of photoisomerization of retinal,retinonitrile,a-retinonitrile and a trienenitrile analog in different solvents with varying wave-lengths o
The canonical and locatized molecutar orbiters of [NCCuS<sub>2</sub>NoS<sub>2</sub>]<sup>2-</sup> cluster were calculated by means of CNDO quantum chemistry met
In addition to 2-deoxycrustecdysone(1),we isolated and identi-fied two new natural moulting hormones-2-deoxy-3-epicrustecdysone(2)and2-deoxycrustecdysone-3-O-β