Abstract: [Problem] A compound useful as an active ingredient of a pharmaceutical composition for treating pancreatic cancer is provided. [Solution] The present inventors have studied about a compound that is useful as an active ingredient of a pharmaceutical composition for treating pancreatic cancer and have found that a 4-aminoquinazoline compound has an excellent G12D mutant KRAS inhibition activity and can be used as a therapeutic agent for pancreatic cancer, thus completing the present invention. The 4-aminoquinazoline compound of the present invention or a salt thereof can be used as a therapeutic agent for pancreatic cancer.

Abstract: A microplate having a base and wells is disclosed. The base has mark parts at least on one edge thereof. Each mark part is defined by notches cut in the edge of the base. The wells are provided in the base and arranged in rows and columns. The mark parts can be used as indicia for identifying not only the microplate but also the wells so that the microplate and the wells can be easily identified without writing numerals or marks on the edges of the base with a felt pen or the like.

Abstract: A portable mobile unit for conducting information communication by using at least one of character information and picture information, comprising: a sound source being enable to generate a plural number of sounds; an input means for inputting a kind an a condition of the sound to be generated; and a controller means for controlling said sound source upon basis of the input from the input means, and for controlling processing when conducting said information communication, wherein said controller means makes the kind of sound which is set by the input made from said input means generate under the condition which is set by the input made from said input means, during a connecting process to a communicating party of said information communication or during the information communication. With this, there is provided the portable mobile unit, which also supplies aural information to the user when communicating visual information, such as character information or picture information, etc.

Abstract: A microplate having a base and wells is disclosed. The base has mark parts at least on one edge thereof. Each mark part is defined by notches cut in the edge of the base. The wells are provided in the base and arranged in rows and columns. The mark parts can be used as indicia for identifying not only the microplate but also the wells so that the microplate and the wells can be easily identified without writing numerals or marks on the edges of the base with a felt pen or the like.

Abstract: A portable mobile unit for conducting information communication by using at least one of character information and picture information, comprising: a sound source being enable to generate a plural number of sounds; an input means for inputting a kind an a condition of the sound to be generated; and a controller means for controlling said sound source upon basis of the input from the input means, and for controlling processing when conducting said information communication, wherein said controller means makes the kind of sound which is set by the input made from said input means generate under the condition which is set by the input made from said input means, during a connecting process to a communicating party of said information communication or during the information communication. With this, there is provided the portable mobile unit, which also supplies aural information to the user when communicating visual information, such as character information or picture information, etc.