6-Oxa-3, 9-dithia-2, 4, 7-triazadec-7-enoic acid, 2-ethyl-4, 8-dimethyl-5-oxo-, propyl ester, 3-oxide

6-Oxa-3, 9-dithia-2, 4, 7-triazadec-7-enoic acid, 5-oxo-2, 4, 8-trimethyl-, (1-methylethylidene)di-4, 1-phenylene ester

6-Oxa-3, 9-dithia-2, 4, 7-triazadec-7-enoic acid, 5-oxo-2, 4, 8-trimethyl-, 1, 2-phenylene ester

6-Oxa-3, 9-dithia-2, 4, 7-triazadec-7-enoic acid, 5-oxo-2, 4, 8-trimethyl-, 1, 4-phenylene ester

6-Oxa-3, 9-dithia-2, 4, 7-triazadec-7-enoic acid, 5-oxo-2, 4, 8-trimethyl-, thiodi-4, 1-phenylene ester

6-Oxa-3-azabicyclo(3.1.0)hexane-1-carboxylic acid, 5-ethyl-4-hydroxy-4-methyl-2-oxo-, methyl ester

6-Oxa-3-azabicyclo(3.2.2)nonane, 3-(cyclopropylcarbonyl)-5, 7, 7-trimethyl-

6-Oxa-3-azabicyclo(3.2.2)nonane, 3-(cyclopropylmethyl)-5, 7, 7-trimethyl-

6-Oxa-3-azabicyclo(3.2.2)nonane, 3-ethyl-5, 7, 7-trimethyl-

6-Oxa-3-azabicyclo(3.2.2)nonane, 5, 7, 7-trimethyl-3-(1-piperidinylacetyl)-

6-Oxa-3-azatricyclo(3.2.2.0(sup 2, 4))nonane, 3-(4-aminobenzoyl)-5, 7, 7-trimethyl-

6-Oxa-3-azatricyclo(3.2.2.0(sup 2, 4))nonane-3-carboxamide, N-(1-methylethyl)-5, 7, 7-trimethyl-

6-Oxa-3-azatricyclo(3.2.2.0(sup 2, 4))nonane-3-carboxamide, N-(3-chlorophenyl)-5, 7, 7-trimethyl-

6-Oxa-3-azatricyclo(3.2.2.0(sup 2, 4))nonane-3-carboxamide, N-1-naphthalenyl-5, 7, 7-trimethyl-

6-Oxa-3-thia-2, 4, 7, 10-tetraazaundec-7-enoic acid, 2, 4, 10-trimethyl-8-(methylthio)-5, 9-dioxo-, 1-methylethyl ester

6-Oxa-3-thia-2, 4, 7, 10-tetraazaundec-7-enoic acid, 2, 4, 10-trimethyl-8-(methylthio)-5, 9-dioxo-, ethyl ester

6-Oxa-3-thia-2, 4, 7, 10-tetraazaundec-7-enoic acid, 2, 4, 10-trimethyl-8-(methylthio)-5, 9-dioxo-, methyl ester

6-Oxa-3-thia-2, 4, 7, 10-tetraazaundec-7-enoic acid, 2-ethyl-4, 10-dimethyl-8-(methylthio)-5, 9-dioxo-, 1-methylethyl ester

6-Oxa-3-thia-2, 4, 7, 10-tetraazaundec-7-enoic acid, 2-ethyl-4, 10-dimethyl-8-(methylthio)-5, 9-dioxo-, hexyl ester

6-Oxa-3-thia-2, 4-diazaheptanoic acid, 2, 4-dimethyl-, 2, 3-dihydro-2, 2-dimethyl-7-benzofuranyl ester