20053-76-3 SPIRO[2,5-ETHANOOXIRENO[3,4]CYCLOPENTA[1,2-C]- PYRAN-6(1BH),2'-OXIRANE]-3,7(2H)-DIONE,TETRAHYDRO- 1B-HYDROXY-5A-METHYL-8-(ISOPROPYL)-,(1AS,1BR,2S,2'R,5S,5AR,6AR,8S)- 497868-53-8 1H,6H-Pyrazolo[1,2-c][1,3,4]oxadiazine-7-carboxylic acid,tetrahydro-8-methyl-1-oxo-4-phenyl-6-propyl-, methyl ester,(4R,6S,7R,8R)- 848651-71-8 1H,6H-Pyrazolo[1,2-c][1,3,4]oxadiazine-7-carboxylic acid,tetrahydro-1-oxo-4,8-diphenyl-6-propyl-, methyl ester, (4R,6S,7S)- 28941-52-8 1H,3H-Pyrido[1,2-c][1,3]oxazine, 4,4a,5,6,7,8-hexahydro-4-methyl-,trans-