What does E921 stand for?
E921 stands for "L-cystine"
How to abbreviate "L-cystine"?
"L-cystine" can be abbreviated as E921
What is the meaning of E921 abbreviation?
The meaning of E921 abbreviation is "L-cystine"
What does E921 mean?
E921 as abbreviation means "L-cystine"