What does OPA stand for?
OPA stands for "o-phthalaldehyde"
How to abbreviate "o-phthalaldehyde"?
"o-phthalaldehyde" can be abbreviated as OPA
What is the meaning of OPA abbreviation?
The meaning of OPA abbreviation is "o-phthalaldehyde"
What does OPA mean?
OPA as abbreviation means "o-phthalaldehyde"
