中文名称： δ-壬内酯，δ-正丁基戊内酯，δ-正丁基戊内酯，5-羟基壬酸内酯，6-丁基四氢-2H- 吡喃-2-酮。 英文名称： δ-Nonanoic Lactone 。 英文别名 2H-Pyran-2-one, 6-butyltetrahydro-;5-Butyl-5-hydroxypentanoic acid lactone;5-Butyl-delta-valerolactone;5-Hydroxynonanoic acid delta-lactone;5-Nonalactone;5-Nonanolide;6-Butyltetrahydro-2H-pyran-2-one;AI3-36027;EINECS 221-974-5;FEMA No. 3356;Hydroxynonanoic acid delta-lactone;Nonanoic acid, 5-hydroxy-, delta-lactone;delta-Butyl-delta-valerolactone;delta-Hydroxypelargonic acid lactone;delta-Nonalactone;