l-epinephrine , l-norepinephrine , and l-isoproterenol substantially promote flowering under a photoperiodic regime of 8 hours light and 16 hours darkness in lemna paucicostata 6746 when grown on the modified bonner-devirian medium devoid of ethylenediaminetetraacetic acid .
C0014563
epinephrine
C0028351
l-norepinephrine