2,5,6,7 - tetranor - 18,18,19,19 - tetradehydro - 4.8 - inter - m - phenylene - pgi2 derivatives.

摘要

Disclosed herein are novel prostaglandin I2 (PGI2) derivatives exhibiting excellent physiological activities, said derivatives being represented by the general formula: CHEM wherein R1, R2 and R3 are as defined herein. )