" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
₅ ₄Ι ₃ ₂ ₁
CH - C - CH - CH - CHO
Ι
CH3
₁ ₂ ₃ ₄ ₅
CHO - CH = CH - CH - CH3
Ι
Br