melanotan ii molecular structure, 3d model molecule, c50h69n15o9, structural chemical formula view from a microscope

melanotan molecule microscope transparent molecular structure chemical formula model c50h69n15o9 bubble air glass atom carbon hydrogen oxygen nitrogen tan render chemistry science composition atomic hormone skeletal tanning drawing alpha illustration compound erection aphrodisiac alphamelanocyte bremelanotide dysfunction lactam melanin melanocortin melanocyte melanogenesis melanoma melanotane peptide stimulating sunless structural view from microscope