TY - RPRT TI - Two-photon sensor for metal ions derived from azacrown ether. AU - Hwan Myung Kim AU - Mi-Yun Jeong AU - Hyun Cheol Ahn AU - Seung-Joon Jeon AU - Bong Rae Cho PY - 2004 DO - 10.1021/jo049124a UR - https://pubmed.ncbi.nlm.nih.gov/15307750/ ID - 15307750 ER -