<unk>  is a racemic compound with two stereoisomers, the (S)-(–)-isomer being five times as pharmacologically active as the (R)-(+)-isomer.
Viloxazine
Indeloxazine
Hydrazoic acid
Cyamemazine
Ridinilazole
Indolocarbazole
Mestilbol
Clocortolone pivalate