Three new heterobimetallic acetylene complexes CpNiCo (CO)_2 (PPh_3) (PhC_2C_6H_4-R-p) [R =H(2), Br(3), COCH_3(4)] have......

Two new bicyclo[3,2,1]octanoid neolignans,named as kadsurenin I andkadsurenin J were isolated from Piper kadsura(Choiey)......