Synthetics
Butyl butyro lactate smells like a creamy, buttery dairy note with a hint of cheese.
Mosciano, Gerard P&F 20, No. 6, 49, (1995): Creamy, fatty and dairy-like, with waxy, sweaty and green nuances
Luebke, William tgsc, (1990): Creamy buttery buttermilk dairy cheese
Bedoukian Research: A buttery, fruity and somewhat cheesy note
For various compositions requiring a dairy product/creamy note.