exposure+to+air
131Chinese art — Chinese jade ornament with dragon and phoenix design, late Spring and Autumn Period (722 BC 482 BC) …
132Malaoxon — IUPAC name diethyl 2 (dimethoxyphosphorylsulfanyl)butanedioate …
131Chinese art — Chinese jade ornament with dragon and phoenix design, late Spring and Autumn Period (722 BC 482 BC) …
132Malaoxon — IUPAC name diethyl 2 (dimethoxyphosphorylsulfanyl)butanedioate …