1 CEB 2-chloro-4-ethylamino-6-(S(-)-2'-cyano-4-butylamino)-1,3,5-triazine 1.000 2 CET 2-chloro-4-ethylamino-6-(R(+)-2'-cyano-4-butylamino)-1,3,5-triazine 1.000 3 ATZ 2-chloro-4-isopropylamino-6-ethylamino -1,3,5-triazine 0.824 4 MST 2-T-butylamino-4-ethylamino-6-methylthio-S-triazine 0.737 5 OKM 4-(ethylamino)-6-[(propan-2-yl)amino]-1,3,5-triazin-2-ol 0.722