The present invention relates to {TAIL ~ new WS7622A, B, C and D substances}, derivatives thereof and {HEAD ~ pharmaceutical compositions} containing the new substances as active ingredients 
The present invention relates to { TAIL ~ new WS7622A , B , C and D substances } , derivatives thereof and { HEAD ~ pharmaceutical compositions } containing the new substances as active ingredients
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH