What are your favorite research peptides

[ttwarrior1]

mine is tadalafil

[Chi_archie]

easy

2,5-dimethoxy-4-bromophenethylamine

unless i'm doing a lab for students during an intercession (i've not been on campus for 4 years now) in which case my favorite acid base peptides would be all the aminos from Alanine through Valine.