. "piperitone" . . "Piperitone" . . . "piperitol" . "6-Isopropyl-3-methyl-1-cyclohex-2-enone" . . "Piperitone" . . . . . . . . . . . . . "3-Carvomenthenone; p-Menth-1-en-3-one" . . . . . .