Dokl. Akad. Nauk SSSR, 1978 Volume 243, Number 2,Pages 348–350(Mi dan42135)
CRYSTALLOGRAPHY
Crystalline and molecular structure of lactone of $8$-oxy-$9$-methoxycarbonyl-$4$-($2$-nitrophenylthio)-tetracyclo$[4,2,2,0^{2,5},0^{3,7}]$ decane-$10$-carboxylic acid