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