3-(butylaminomethylidene)-1,5-dihydro-1,5-benzodiazepine-2,4-dione

2,4,6-trimethyl-1,3,5-triazine

N,N'-dibutylethanimidamide

N-butyl-2,4,6-triphenylthiopyran-4-amine

N-butyl-2,4,6-triphenylthiopyran-2-amine