The first generates repeated honeycomb, and the last two are nonuniform but included for completeness
doi: 10.1016/j.nbd.2015.05.018 218 WeinerH
Finally, failing to label the vial with a reconstitution date is a small oversight that becomes a real problem when managing multiple peptides once reconstituted, the clock is running, and theres no reliable way to judge freshness by appearance alone
"Treatment of vitamin B12 deficiency Methylcobalamine
19 References Seiwerth, S., Sikiric, P., Grabarevi, ., Zorii, I., Hanevaki, M., Ljubanovi, D., ori, V., Konjevoda, P., Petek, M., Ruman, R., Turkovi, B., Perovi, D., Mikus, D., Jandrijevi, S., Medvidovi, M., Tadi, T., Romac, B., Kos, J., Peri, J., & Kolega, Z