20-Methyl-13,14-didehydro-2,4-inter-3-phenylene prostaglandin I2 20-Methyl-13,14-didehydro-2,4-m-interphenylene-pgi2 96744-62-6 Benzoic acid, 3-((hexahydro-5-hydroxy-4-(3-hydroxy-1-monynyl)-2H-cyclopenta(b)furan-2-ylidene)methyl)-, (3aR-(2Z,3aalpha,4alpha(S*),5beta,6aalpha))- CH 18 783 IFPG