(Hydroxy-2 isobutylamino-3 propoxy)-7 tetrahydro-1,2,3,4 cyclopenta(c)chromenone-4 [French] 7-(2-Hydroxy-3-(isobutylamino)propoxy)-1,2-dihydrocyclopenta(c)(1)benzopyran-4(3H)-one Cyclopenta(c)(1)benzopyran-4(3H)-one, 1,2-dihydro-7-(2-hydroxy-3-(isobutylamino)propoxy)- GY0791200