3-(8-cyclopentyl-2,6-dioxo-1-propyl-7H-purin-3-yl)propyl 4-fluorosulfonylbenzoate 4-fluorosulfonylbenzoic acid 3-(8-cyclopentyl-2,6-dioxo-1-propyl-7H-purin-3-yl)propyl ester 4-fluorosulfonylbenzoic acid 3-(8-cyclopentyl-2,6-diketo-1-propyl-7H-purin-3-yl)propyl ester 156547-56-7 Lopac-F-7927 NCGC00015447-01 8-Cyclopentyl-N3-[3-(4-(fluorosulfonyl)benzoyloxy)propyl]-N1-propylxanthine F7927_SIGMA FSCPX Lopac0_000507 EU-0100507 8-Cyclopentyl-3-(3-((4-(fluorosulfonyl)benzoyl)oxy)propyl)-1-propylxanthine FSCPX xanthine